1904/1/1: 0114 = 01:14 = integer ratio of 1 to 14
1904/1/1: 040101 = 040:101 = each is palindrome
1904/1/1: 4101 = 41:01 = integer ratio of 41 to 1
1904/1/2: 010204 = 01:02:04 = geometric series of ratio 2
1904/1/2: 0124 = 01:24 = integer ratio of 1 to 24
1904/1/2: 0214 = 02:14 = integer ratio of 1 to 7
1904/1/2: 0412 = 04:12 = integer ratio of 1 to 3
1904/1/2: 1204 = 12:04 = integer ratio of 3 to 1
1904/1/2: 124 = 1:2:4 = geometric series of ratio 2
1904/1/3: 0134 = 01:34 = integer ratio of 1 to 34
1904/1/4: 010404 = 010:404 = each is palindrome
1904/1/4: 0144 = 01:44 = integer ratio of 1 to 44
1904/1/4: 40104 = palindrome
1904/1/4: 414 = palindrome
1904/1/5: 0154 = 01:54 = integer ratio of 1 to 54
1904/1/6: 0164 = 01:64 = integer ratio of 1 to 64
1904/1/6: 0416 = 04:16 = integer ratio of 1 to 4
1904/1/6: 1604 = 16:04 = integer ratio of 4 to 1
1904/1/7: 0174 = 01:74 = integer ratio of 1 to 74
1904/1/7: 0714 = 07:14 = integer ratio of 1 to 2
1904/1/7: 7014 = 70:14 = integer ratio of 5 to 1
1904/1/8: 0184 = 01:84 = integer ratio of 1 to 84
1904/1/9: 0194 = 01:94 = integer ratio of 1 to 94
1904/1/11: 040111 = 040:111 = each is palindrome
1904/1/12: 01121904 = 0112:1904 = integer ratio of 1 to 17
1904/1/12: 19040112 = 1904:0112 = integer ratio of 17 to 1
1904/1/14: 1144 = 11:44 = integer ratio of 1 to 4
1904/1/14: 1144 = 11:44 = each is single digit
1904/1/14: 1144 = 11:44 = each is palindrome
1904/1/14: 1144 = 11:44 = each is cyclic permutation symmetric
1904/1/14: 1414 = cyclic permutation symmetric
1904/1/14: 4114 = palindrome
1904/1/17: 011704 = 011:704 = integer ratio of 1 to 64
1904/1/19: 01191904 = 0119:1904 = integer ratio of 1 to 16
1904/1/19: 19040119 = 1904:0119 = integer ratio of 16 to 1
1904/1/20: 012004 = 012:004 = integer ratio of 3 to 1
1904/1/20: 040120 = 040:120 = integer ratio of 1 to 3
1904/1/20: 1204 = 12:04 = integer ratio of 3 to 1
1904/1/21: 040121 = 040:121 = each is palindrome
1904/1/22: 012204 = 012:204 = integer ratio of 1 to 17
1904/1/22: 1224 = 12:24 = integer ratio of 1 to 2
1904/1/23: 01234 = 0:1:2:3:4 = arthimetic series of increment 1
1904/1/23: 1234 = 1:2:3:4 = arthimetic series of increment 1
1904/1/25: 012504 = 012:504 = integer ratio of 1 to 42
1904/1/28: 012804 = 012:804 = integer ratio of 1 to 67
1904/1/28: 1284 = 12:84 = integer ratio of 1 to 7
1904/1/28: 2814 = 28:14 = integer ratio of 2 to 1
1904/1/31: 013104 = 013:104 = integer ratio of 1 to 8
1904/1/31: 040131 = 040:131 = each is palindrome
1904/2/1: 010204 = 01:02:04 = geometric series of ratio 2
1904/2/1: 0124 = 01:24 = integer ratio of 1 to 24
1904/2/1: 0214 = 02:14 = integer ratio of 1 to 7
1904/2/1: 040201 = 04:02:01 = geometric series of ratio 0.5
1904/2/1: 1204 = 12:04 = integer ratio of 3 to 1
1904/2/1: 124 = 1:2:4 = geometric series of ratio 2
1904/2/1: 4201 = 42:01 = integer ratio of 42 to 1
1904/2/1: 421 = 4:2:1 = geometric series of ratio 0.5
1904/2/2: 0224 = 02:24 = integer ratio of 1 to 12
1904/2/2: 040202 = 040:202 = each is palindrome
1904/2/2: 4202 = 42:02 = integer ratio of 21 to 1
1904/2/3: 020304 = 02:03:04 = arthimetic series of increment 1
1904/2/3: 0234 = 02:34 = integer ratio of 1 to 17
1904/2/3: 0324 = 03:24 = integer ratio of 1 to 8
1904/2/3: 234 = 2:3:4 = arthimetic series of increment 1
1904/2/3: 3204 = 32:04 = integer ratio of 8 to 1
1904/2/3: 4203 = 42:03 = integer ratio of 14 to 1
1904/2/4: 020404 = 020:404 = each is palindrome
1904/2/4: 0244 = 02:44 = integer ratio of 1 to 22
1904/2/4: 0424 = 04:24 = integer ratio of 1 to 6
1904/2/4: 2404 = 24:04 = integer ratio of 6 to 1
1904/2/4: 40204 = palindrome
1904/2/4: 424 = palindrome
1904/2/5: 0254 = 02:54 = integer ratio of 1 to 27
1904/2/5: 5204 = 52:04 = integer ratio of 13 to 1
1904/2/6: 0264 = 02:64 = integer ratio of 1 to 32
1904/2/6: 0624 = 06:24 = integer ratio of 1 to 4
1904/2/6: 4206 = 42:06 = integer ratio of 7 to 1
1904/2/7: 0274 = 02:74 = integer ratio of 1 to 37
1904/2/7: 4207 = 42:07 = integer ratio of 6 to 1
1904/2/7: 7204 = 72:04 = integer ratio of 18 to 1
1904/2/8: 0284 = 02:84 = integer ratio of 1 to 42
1904/2/8: 0428 = 04:28 = integer ratio of 1 to 7
1904/2/8: 0824 = 08:24 = integer ratio of 1 to 3
1904/2/8: 2804 = 28:04 = integer ratio of 7 to 1
1904/2/9: 0294 = 02:94 = integer ratio of 1 to 47
1904/2/9: 9204 = 92:04 = integer ratio of 23 to 1
1904/2/12: 040212 = 040:212 = each is palindrome
1904/2/12: 1224 = 12:24 = integer ratio of 1 to 2
1904/2/14: 4214 = 42:14 = integer ratio of 3 to 1
1904/2/15: 021504 = 021:504 = integer ratio of 1 to 24
1904/2/18: 2184 = 21:84 = integer ratio of 1 to 4
1904/2/21: 4221 = 42:21 = integer ratio of 2 to 1
1904/2/22: 040222 = 040:222 = each is palindrome
1904/2/24: 2244 = 22:44 = integer ratio of 1 to 2
1904/2/24: 2244 = 22:44 = each is single digit
1904/2/24: 2244 = 22:44 = each is palindrome
1904/2/24: 2244 = 22:44 = each is cyclic permutation symmetric
1904/2/24: 2424 = cyclic permutation symmetric
1904/2/24: 4224 = palindrome
1904/2/27: 022704 = 022:704 = integer ratio of 1 to 32
1904/3/1: 0134 = 01:34 = integer ratio of 1 to 34
1904/3/1: 4301 = 43:01 = integer ratio of 43 to 1
1904/3/2: 020304 = 02:03:04 = arthimetic series of increment 1
1904/3/2: 0234 = 02:34 = integer ratio of 1 to 17
1904/3/2: 0324 = 03:24 = integer ratio of 1 to 8
1904/3/2: 040302 = 04:03:02 = arthimetic series of increment -1
1904/3/2: 0432 = 04:32 = integer ratio of 1 to 8
1904/3/2: 234 = 2:3:4 = arthimetic series of increment 1
1904/3/2: 3204 = 32:04 = integer ratio of 8 to 1
1904/3/2: 432 = 4:3:2 = arthimetic series of increment -1
1904/3/3: 040303 = 040:303 = each is palindrome
1904/3/4: 030404 = 030:404 = each is palindrome
1904/3/4: 341904 = 34:19:04 = arthimetic series of increment -15
1904/3/4: 40304 = palindrome
1904/3/4: 434 = palindrome
1904/3/5: 0354 = 03:54 = integer ratio of 1 to 18
1904/3/6: 0436 = 04:36 = integer ratio of 1 to 9
1904/3/6: 3604 = 36:04 = integer ratio of 9 to 1
1904/3/8: 0384 = 03:84 = integer ratio of 1 to 28
1904/3/12: 1234 = 1:2:3:4 = arthimetic series of increment 1
1904/3/13: 040313 = 040:313 = each is palindrome
1904/3/17: 1734 = 17:34 = integer ratio of 1 to 2
1904/3/20: 032004 = 032:004 = integer ratio of 8 to 1
1904/3/20: 040320 = 040:320 = integer ratio of 1 to 8
1904/3/20: 3204 = 32:04 = integer ratio of 8 to 1
1904/3/21: 4321 = 4:3:2:1 = arthimetic series of increment -1
1904/3/23: 040323 = 040:323 = each is palindrome
1904/3/26: 3264 = 32:64 = integer ratio of 1 to 2
1904/3/27: 032704 = 032:704 = integer ratio of 1 to 22
1904/4/1: 010404 = 010:404 = each is palindrome
1904/4/1: 0144 = 01:44 = integer ratio of 1 to 44
1904/4/1: 40104 = palindrome
1904/4/1: 414 = palindrome
1904/4/1: 4401 = 44:01 = integer ratio of 44 to 1
1904/4/2: 020404 = 020:404 = each is palindrome
1904/4/2: 0244 = 02:44 = integer ratio of 1 to 22
1904/4/2: 0424 = 04:24 = integer ratio of 1 to 6
1904/4/2: 2404 = 24:04 = integer ratio of 6 to 1
1904/4/2: 40204 = palindrome
1904/4/2: 424 = palindrome
1904/4/2: 4402 = 44:02 = integer ratio of 22 to 1
1904/4/3: 030404 = 030:404 = each is palindrome
1904/4/3: 341904 = 34:19:04 = arthimetic series of increment -15
1904/4/3: 40304 = palindrome
1904/4/3: 434 = palindrome
1904/4/4: 040404 = cyclic permutation symmetric
1904/4/4: 040404 = 040:404 = each is palindrome
1904/4/4: 0444 = 04:44 = integer ratio of 1 to 11
1904/4/4: 40404 = palindrome
1904/4/4: 4404 = 44:04 = integer ratio of 11 to 1
1904/4/4: 444 = single digit
1904/4/4: 444 = palindrome
1904/4/4: 444 = cyclic permutation symmetric
1904/4/5: 050404 = 050:404 = each is palindrome
1904/4/5: 40504 = palindrome
1904/4/5: 454 = palindrome
1904/4/6: 0464 = 04:64 = integer ratio of 1 to 16
1904/4/6: 060404 = 060:404 = each is palindrome
1904/4/6: 40604 = palindrome
1904/4/6: 464 = palindrome
1904/4/6: 6404 = 64:04 = integer ratio of 16 to 1
1904/4/7: 070404 = 070:404 = each is palindrome
1904/4/7: 40704 = palindrome
1904/4/7: 474 = palindrome
1904/4/8: 0448 = 04:48 = integer ratio of 1 to 12
1904/4/8: 0484 = 04:84 = integer ratio of 1 to 21
1904/4/8: 080404 = 080:404 = each is palindrome
1904/4/8: 40804 = palindrome
1904/4/8: 4804 = 48:04 = integer ratio of 12 to 1
1904/4/8: 484 = palindrome
1904/4/8: 8404 = 84:04 = integer ratio of 21 to 1
1904/4/9: 090404 = 090:404 = each is palindrome
1904/4/9: 40904 = palindrome
1904/4/9: 4091904 = palindrome
1904/4/9: 494 = palindrome
1904/4/11: 1144 = 11:44 = integer ratio of 1 to 4
1904/4/11: 1144 = 11:44 = each is single digit
1904/4/11: 1144 = 11:44 = each is palindrome
1904/4/11: 1144 = 11:44 = each is cyclic permutation symmetric
1904/4/11: 4114 = palindrome
1904/4/11: 4411 = 44:11 = integer ratio of 4 to 1
1904/4/11: 4411 = 44:11 = each is single digit
1904/4/11: 4411 = 44:11 = each is palindrome
1904/4/11: 4411 = 44:11 = each is cyclic permutation symmetric
1904/4/14: 040414 = 040:414 = each is palindrome
1904/4/19: 19041904 = cyclic permutation symmetric
1904/4/21: 4214 = 42:14 = integer ratio of 3 to 1
1904/4/22: 2244 = 22:44 = integer ratio of 1 to 2
1904/4/22: 2244 = 22:44 = each is single digit
1904/4/22: 2244 = 22:44 = each is palindrome
1904/4/22: 2244 = 22:44 = each is cyclic permutation symmetric
1904/4/22: 4224 = palindrome
1904/4/22: 4422 = 44:22 = integer ratio of 2 to 1
1904/4/22: 4422 = 44:22 = each is single digit
1904/4/22: 4422 = 44:22 = each is palindrome
1904/4/22: 4422 = 44:22 = each is cyclic permutation symmetric
1904/4/24: 040424 = 040:424 = each is palindrome
1904/4/25: 042504 = 042:504 = integer ratio of 1 to 12
1904/4/28: 4284 = 42:84 = integer ratio of 1 to 2
1904/5/1: 0154 = 01:54 = integer ratio of 1 to 54
1904/5/1: 4501 = 45:01 = integer ratio of 45 to 1
1904/5/2: 0254 = 02:54 = integer ratio of 1 to 27
1904/5/2: 0452 = 04:52 = integer ratio of 1 to 13
1904/5/2: 5204 = 52:04 = integer ratio of 13 to 1
1904/5/3: 0354 = 03:54 = integer ratio of 1 to 18
1904/5/3: 4503 = 45:03 = integer ratio of 15 to 1
1904/5/4: 050404 = 050:404 = each is palindrome
1904/5/4: 40504 = palindrome
1904/5/4: 454 = palindrome
1904/5/5: 040505 = 040:505 = each is palindrome
1904/5/5: 4505 = 45:05 = integer ratio of 9 to 1
1904/5/6: 040506 = 04:05:06 = arthimetic series of increment 1
1904/5/6: 0456 = 04:56 = integer ratio of 1 to 14
1904/5/6: 060504 = 06:05:04 = arthimetic series of increment -1
1904/5/6: 0654 = 06:54 = integer ratio of 1 to 9
1904/5/6: 456 = 4:5:6 = arthimetic series of increment 1
1904/5/6: 5604 = 56:04 = integer ratio of 14 to 1
1904/5/6: 654 = 6:5:4 = arthimetic series of increment -1
1904/5/9: 0954 = 09:54 = integer ratio of 1 to 6
1904/5/9: 4509 = 45:09 = integer ratio of 5 to 1
1904/5/12: 051204 = 051:204 = integer ratio of 1 to 4
1904/5/15: 040515 = 040:515 = each is palindrome
1904/5/15: 4515 = 45:15 = integer ratio of 3 to 1
1904/5/18: 1854 = 18:54 = integer ratio of 1 to 3
1904/5/20: 040520 = 040:520 = integer ratio of 1 to 13
1904/5/20: 052004 = 052:004 = integer ratio of 13 to 1
1904/5/20: 5204 = 52:04 = integer ratio of 13 to 1
1904/5/21: 052104 = 052:104 = integer ratio of 1 to 2
1904/5/25: 040525 = 040:525 = each is palindrome
1904/5/27: 2754 = 27:54 = integer ratio of 1 to 2
1904/6/1: 0164 = 01:64 = integer ratio of 1 to 64
1904/6/1: 1604 = 16:04 = integer ratio of 4 to 1
1904/6/1: 4601 = 46:01 = integer ratio of 46 to 1
1904/6/2: 0264 = 02:64 = integer ratio of 1 to 32
1904/6/2: 0624 = 06:24 = integer ratio of 1 to 4
1904/6/2: 4602 = 46:02 = integer ratio of 23 to 1
1904/6/3: 3604 = 36:04 = integer ratio of 9 to 1
1904/6/4: 0464 = 04:64 = integer ratio of 1 to 16
1904/6/4: 060404 = 060:404 = each is palindrome
1904/6/4: 40604 = palindrome
1904/6/4: 464 = palindrome
1904/6/4: 6404 = 64:04 = integer ratio of 16 to 1
1904/6/5: 060504 = 06:05:04 = arthimetic series of increment -1
1904/6/5: 0654 = 06:54 = integer ratio of 1 to 9
1904/6/5: 5604 = 56:04 = integer ratio of 14 to 1
1904/6/5: 654 = 6:5:4 = arthimetic series of increment -1
1904/6/6: 040606 = 040:606 = each is palindrome
1904/6/7: 7604 = 76:04 = integer ratio of 19 to 1
1904/6/8: 040608 = 04:06:08 = arthimetic series of increment 2
1904/6/8: 0468 = 04:68 = integer ratio of 1 to 17
1904/6/8: 0684 = 06:84 = integer ratio of 1 to 14
1904/6/8: 080604 = 08:06:04 = arthimetic series of increment -2
1904/6/8: 0864 = 08:64 = integer ratio of 1 to 8
1904/6/8: 468 = 4:6:8 = arthimetic series of increment 2
1904/6/8: 6804 = 68:04 = integer ratio of 17 to 1
1904/6/8: 864 = 8:6:4 = arthimetic series of increment -2
1904/6/9: 040609 = 04:06:09 = geometric series of ratio 1.5
1904/6/9: 090604 = 09:06:04 = geometric series of ratio 0.666666666666667
1904/6/9: 469 = 4:6:9 = geometric series of ratio 1.5
1904/6/9: 9604 = 96:04 = integer ratio of 24 to 1
1904/6/9: 964 = 9:6:4 = geometric series of ratio 0.666666666666667
1904/6/16: 040616 = 040:616 = each is palindrome
1904/6/16: 1664 = 16:64 = integer ratio of 1 to 4
1904/6/23: 4623 = 46:23 = integer ratio of 2 to 1
1904/6/26: 040626 = 040:626 = each is palindrome
1904/7/1: 0174 = 01:74 = integer ratio of 1 to 74
1904/7/1: 0714 = 07:14 = integer ratio of 1 to 2
1904/7/1: 4701 = 47:01 = integer ratio of 47 to 1
1904/7/1: 7014 = 70:14 = integer ratio of 5 to 1
1904/7/2: 0274 = 02:74 = integer ratio of 1 to 37
1904/7/2: 0472 = 04:72 = integer ratio of 1 to 18
1904/7/2: 7204 = 72:04 = integer ratio of 18 to 1
1904/7/4: 070404 = 070:404 = each is palindrome
1904/7/4: 40704 = palindrome
1904/7/4: 474 = palindrome
1904/7/6: 0476 = 04:76 = integer ratio of 1 to 19
1904/7/6: 7604 = 76:04 = integer ratio of 19 to 1
1904/7/7: 040707 = 040:707 = each is palindrome
1904/7/8: 0784 = 07:84 = integer ratio of 1 to 12
1904/7/10: 040710 = 04:07:10 = arthimetic series of increment 3
1904/7/10: 100704 = 10:07:04 = arthimetic series of increment -3
1904/7/17: 040717 = 040:717 = each is palindrome
1904/7/20: 040720 = 040:720 = integer ratio of 1 to 18
1904/7/20: 072004 = 072:004 = integer ratio of 18 to 1
1904/7/20: 7204 = 72:04 = integer ratio of 18 to 1
1904/7/22: 7224 = 72:24 = integer ratio of 3 to 1
1904/7/25: 072504 = 072:504 = integer ratio of 1 to 7
1904/7/27: 040727 = 040:727 = each is palindrome
1904/8/1: 0184 = 01:84 = integer ratio of 1 to 84
1904/8/1: 4801 = 48:01 = integer ratio of 48 to 1
1904/8/2: 0284 = 02:84 = integer ratio of 1 to 42
1904/8/2: 0824 = 08:24 = integer ratio of 1 to 3
1904/8/2: 2804 = 28:04 = integer ratio of 7 to 1
1904/8/2: 4802 = 48:02 = integer ratio of 24 to 1
1904/8/3: 0384 = 03:84 = integer ratio of 1 to 28
1904/8/3: 4803 = 48:03 = integer ratio of 16 to 1
1904/8/4: 0484 = 04:84 = integer ratio of 1 to 21
1904/8/4: 080404 = 080:404 = each is palindrome
1904/8/4: 40804 = palindrome
1904/8/4: 4804 = 48:04 = integer ratio of 12 to 1
1904/8/4: 484 = palindrome
1904/8/4: 8404 = 84:04 = integer ratio of 21 to 1
1904/8/6: 0684 = 06:84 = integer ratio of 1 to 14
1904/8/6: 080604 = 08:06:04 = arthimetic series of increment -2
1904/8/6: 0864 = 08:64 = integer ratio of 1 to 8
1904/8/6: 4806 = 48:06 = integer ratio of 8 to 1
1904/8/6: 6804 = 68:04 = integer ratio of 17 to 1
1904/8/6: 864 = 8:6:4 = arthimetic series of increment -2
1904/8/7: 0784 = 07:84 = integer ratio of 1 to 12
1904/8/8: 040808 = 040:808 = each is palindrome
1904/8/8: 0488 = 04:88 = integer ratio of 1 to 22
1904/8/8: 4808 = 48:08 = integer ratio of 6 to 1
1904/8/8: 8804 = 88:04 = integer ratio of 22 to 1
1904/8/12: 040812 = 04:08:12 = arthimetic series of increment 4
1904/8/12: 120804 = 12:08:04 = arthimetic series of increment -4
1904/8/12: 1284 = 12:84 = integer ratio of 1 to 7
1904/8/12: 4812 = 48:12 = integer ratio of 4 to 1
1904/8/14: 1484 = 14:84 = integer ratio of 1 to 6
1904/8/16: 040816 = 04:08:16 = geometric series of ratio 2
1904/8/16: 160804 = 16:08:04 = geometric series of ratio 0.5
1904/8/16: 4816 = 48:16 = integer ratio of 3 to 1
1904/8/18: 040818 = 040:818 = each is palindrome
1904/8/21: 2184 = 21:84 = integer ratio of 1 to 4
1904/8/24: 4824 = 48:24 = integer ratio of 2 to 1
1904/8/28: 040828 = 040:828 = each is palindrome
1904/8/28: 2884 = 28:84 = integer ratio of 1 to 3
1904/9/1: 0194 = 01:94 = integer ratio of 1 to 94
1904/9/1: 1904091 = palindrome
1904/9/1: 4901 = 49:01 = integer ratio of 49 to 1
1904/9/2: 0294 = 02:94 = integer ratio of 1 to 47
1904/9/2: 0492 = 04:92 = integer ratio of 1 to 23
1904/9/2: 9204 = 92:04 = integer ratio of 23 to 1
1904/9/4: 090404 = 090:404 = each is palindrome
1904/9/4: 40904 = palindrome
1904/9/4: 4091904 = palindrome
1904/9/4: 494 = palindrome
1904/9/5: 0954 = 09:54 = integer ratio of 1 to 6
1904/9/6: 0496 = 04:96 = integer ratio of 1 to 24
1904/9/6: 090604 = 09:06:04 = geometric series of ratio 0.666666666666667
1904/9/6: 9604 = 96:04 = integer ratio of 24 to 1
1904/9/6: 964 = 9:6:4 = geometric series of ratio 0.666666666666667
1904/9/7: 4907 = 49:07 = integer ratio of 7 to 1
1904/9/9: 040909 = 040:909 = each is palindrome
1904/9/14: 040914 = 04:09:14 = arthimetic series of increment 5
1904/9/14: 140904 = 14:09:04 = arthimetic series of increment -5
1904/9/19: 040919 = 040:919 = each is palindrome
1904/9/20: 040920 = 040:920 = integer ratio of 1 to 23
1904/9/20: 092004 = 092:004 = integer ratio of 23 to 1
1904/9/20: 9204 = 92:04 = integer ratio of 23 to 1
1904/9/29: 040929 = 040:929 = each is palindrome
1904/10/1: 041001 = 041:001 = integer ratio of 41 to 1
1904/10/1: 4101 = 41:01 = integer ratio of 41 to 1
1904/10/7: 100704 = 10:07:04 = arthimetic series of increment -3
1904/10/14: 101404 = 101:404 = integer ratio of 1 to 4
1904/10/14: 101404 = 101:404 = each is palindrome
1904/10/14: 41014 = palindrome
1904/10/16: 041016 = 04:10:16 = arthimetic series of increment 6
1904/10/16: 161004 = 16:10:04 = arthimetic series of increment -6
1904/10/22: 102204 = 102:204 = integer ratio of 1 to 2
1904/10/25: 041025 = 04:10:25 = geometric series of ratio 2.5
1904/10/25: 251004 = 25:10:04 = geometric series of ratio 0.4
1904/11/4: 1144 = 11:44 = integer ratio of 1 to 4
1904/11/4: 1144 = 11:44 = each is single digit
1904/11/4: 1144 = 11:44 = each is palindrome
1904/11/4: 1144 = 11:44 = each is cyclic permutation symmetric
1904/11/4: 4114 = palindrome
1904/11/14: 111404 = 111:404 = each is palindrome
1904/11/14: 41114 = palindrome
1904/11/18: 041118 = 04:11:18 = arthimetic series of increment 7
1904/11/18: 181104 = 18:11:04 = arthimetic series of increment -7
1904/11/20: 112004 = 112:004 = integer ratio of 28 to 1
1904/11/23: 041123 = 041:123 = integer ratio of 1 to 3
1904/12/1: 01121904 = 0112:1904 = integer ratio of 1 to 17
1904/12/2: 1224 = 12:24 = integer ratio of 1 to 2
1904/12/3: 1234 = 1:2:3:4 = arthimetic series of increment 1
1904/12/5: 041205 = 041:205 = integer ratio of 1 to 5
1904/12/5: 051204 = 051:204 = integer ratio of 1 to 4
1904/12/8: 120804 = 12:08:04 = arthimetic series of increment -4
1904/12/8: 1284 = 12:84 = integer ratio of 1 to 7
1904/12/14: 121404 = 121:404 = each is palindrome
1904/12/14: 41214 = palindrome
1904/12/20: 041220 = 04:12:20 = arthimetic series of increment 8
1904/12/20: 201204 = 20:12:04 = arthimetic series of increment -8