1912/1/2: 010212 = 010:212 = each is palindrome
1912/1/2: 1212 = cyclic permutation symmetric
1912/1/2: 191212 = 191:212 = each is palindrome
1912/1/2: 2112 = palindrome
1912/1/20: 012012 = cyclic permutation symmetric
1912/1/20: 120120 = cyclic permutation symmetric
1912/1/21: 12121 = palindrome
1912/1/21: 21112 = palindrome
1912/1/23: 012312 = 012:312 = integer ratio of 1 to 26
1912/1/26: 012612 = 012:612 = integer ratio of 1 to 51
1912/1/29: 012912 = 012:912 = integer ratio of 1 to 76
1912/2/1: 010212 = 010:212 = each is palindrome
1912/2/1: 12021 = palindrome
1912/2/1: 1212 = cyclic permutation symmetric
1912/2/1: 1221 = palindrome
1912/2/1: 2112 = palindrome
1912/2/2: 020212 = 020:212 = each is palindrome
1912/2/2: 191222 = 191:222 = each is palindrome
1912/2/3: 030212 = 030:212 = each is palindrome
1912/2/4: 040212 = 040:212 = each is palindrome
1912/2/4: 1224 = 12:24 = integer ratio of 1 to 2
1912/2/4: 2412 = 24:12 = integer ratio of 2 to 1
1912/2/5: 050212 = 050:212 = each is palindrome
1912/2/6: 060212 = 060:212 = each is palindrome
1912/2/6: 261912 = 26:19:12 = arthimetic series of increment -7
1912/2/7: 020712 = 02:07:12 = arthimetic series of increment 5
1912/2/7: 070212 = 070:212 = each is palindrome
1912/2/7: 7212 = 72:12 = integer ratio of 6 to 1
1912/2/8: 080212 = 080:212 = each is palindrome
1912/2/9: 090212 = 090:212 = each is palindrome
1912/2/10: 21012 = palindrome
1912/2/11: 21112 = palindrome
1912/2/12: 21212 = palindrome
1912/2/13: 21312 = palindrome
1912/2/14: 21412 = palindrome
1912/2/15: 21512 = palindrome
1912/2/16: 21612 = palindrome
1912/2/17: 21712 = palindrome
1912/2/18: 21812 = palindrome
1912/2/19: 21912 = palindrome
1912/2/19: 2191912 = palindrome
1912/2/21: 12221 = palindrome
1912/2/21: 21212 = palindrome
1912/3/2: 030212 = 030:212 = each is palindrome
1912/3/2: 191232 = 191:232 = each is palindrome
1912/3/4: 1234 = 1:2:3:4 = arthimetic series of increment 1
1912/3/6: 030612 = 03:06:12 = geometric series of ratio 2
1912/3/6: 1236 = 12:36 = integer ratio of 1 to 3
1912/3/6: 3612 = 36:12 = integer ratio of 3 to 1
1912/3/21: 12321 = palindrome
1912/3/21: 21312 = palindrome
1912/3/25: 032512 = 032:512 = integer ratio of 1 to 16
1912/4/2: 040212 = 040:212 = each is palindrome
1912/4/2: 191242 = 191:242 = each is palindrome
1912/4/2: 2412 = 24:12 = integer ratio of 2 to 1
1912/4/8: 040812 = 04:08:12 = arthimetic series of increment 4
1912/4/8: 1248 = 1:2:4:8 = geometric series of ratio 2
1912/4/8: 1248 = 12:48 = integer ratio of 1 to 4
1912/4/8: 4812 = 48:12 = integer ratio of 4 to 1
1912/4/8: 8412 = 84:12 = integer ratio of 7 to 1
1912/4/21: 12421 = palindrome
1912/4/21: 21412 = palindrome
1912/5/2: 050212 = 050:212 = each is palindrome
1912/5/2: 191252 = 191:252 = each is palindrome
1912/5/16: 051612 = 051:612 = integer ratio of 1 to 12
1912/5/21: 12521 = palindrome
1912/5/21: 21512 = palindrome
1912/5/23: 052312 = 052:312 = integer ratio of 1 to 6
1912/6/2: 060212 = 060:212 = each is palindrome
1912/6/2: 191262 = 191:262 = each is palindrome
1912/6/2: 261912 = 26:19:12 = arthimetic series of increment -7
1912/6/3: 030612 = 03:06:12 = geometric series of ratio 2
1912/6/3: 120603 = 12:06:03 = geometric series of ratio 0.5
1912/6/3: 3612 = 36:12 = integer ratio of 3 to 1
1912/6/9: 060912 = 06:09:12 = arthimetic series of increment 3
1912/6/9: 9612 = 96:12 = integer ratio of 8 to 1
1912/6/21: 12621 = palindrome
1912/6/21: 21612 = palindrome
1912/7/2: 020712 = 02:07:12 = arthimetic series of increment 5
1912/7/2: 070212 = 070:212 = each is palindrome
1912/7/2: 120702 = 12:07:02 = arthimetic series of increment -5
1912/7/2: 1272 = 12:72 = integer ratio of 1 to 6
1912/7/2: 191272 = 191:272 = each is palindrome
1912/7/2: 7212 = 72:12 = integer ratio of 6 to 1
1912/7/20: 072012 = 072:012 = integer ratio of 6 to 1
1912/7/20: 120720 = 120:720 = integer ratio of 1 to 6
1912/7/21: 12721 = palindrome
1912/7/21: 21712 = palindrome
1912/8/2: 080212 = 080:212 = each is palindrome
1912/8/2: 191282 = 191:282 = each is palindrome
1912/8/4: 040812 = 04:08:12 = arthimetic series of increment 4
1912/8/4: 120804 = 12:08:04 = arthimetic series of increment -4
1912/8/4: 1284 = 12:84 = integer ratio of 1 to 7
1912/8/4: 4812 = 48:12 = integer ratio of 4 to 1
1912/8/4: 8412 = 84:12 = integer ratio of 7 to 1
1912/8/10: 081012 = 08:10:12 = arthimetic series of increment 2
1912/8/21: 12821 = palindrome
1912/8/21: 21812 = palindrome
1912/9/2: 090212 = 090:212 = each is palindrome
1912/9/2: 191292 = 191:292 = each is palindrome
1912/9/6: 060912 = 06:09:12 = arthimetic series of increment 3
1912/9/6: 120906 = 12:09:06 = arthimetic series of increment -3
1912/9/6: 1296 = 12:96 = integer ratio of 1 to 8
1912/9/6: 9612 = 96:12 = integer ratio of 8 to 1
1912/9/21: 12921 = palindrome
1912/9/21: 21912 = palindrome
1912/9/21: 2191912 = palindrome
1912/10/1: 121001 = 121:001 = integer ratio of 121 to 1
1912/10/2: 21012 = palindrome
1912/10/8: 081012 = 08:10:12 = arthimetic series of increment 2
1912/10/8: 121008 = 12:10:08 = arthimetic series of increment -2
1912/10/10: 121010 = 121:010 = each is palindrome
1912/10/11: 101112 = 10:11:12 = arthimetic series of increment 1
1912/10/11: 121011 = 121:011 = integer ratio of 11 to 1
1912/10/12: 101212 = 101:212 = each is palindrome
1912/10/20: 121020 = 121:020 = each is palindrome
1912/10/26: 102612 = 102:612 = integer ratio of 1 to 6
1912/10/30: 121030 = 121:030 = each is palindrome
1912/11/1: 121101 = 121:101 = each is palindrome
1912/11/2: 21112 = palindrome
1912/11/10: 101112 = 10:11:12 = arthimetic series of increment 1
1912/11/10: 121110 = 12:11:10 = arthimetic series of increment -1
1912/11/11: 121111 = 121:111 = each is palindrome
1912/11/12: 111212 = 111:212 = each is palindrome
1912/11/21: 112112 = cyclic permutation symmetric
1912/11/21: 121121 = palindrome
1912/11/21: 121121 = cyclic permutation symmetric
1912/11/21: 121121 = 121:121 = each is palindrome
1912/11/21: 211112 = palindrome
1912/12/1: 12121 = palindrome
1912/12/2: 121202 = 121:202 = each is palindrome
1912/12/2: 21212 = palindrome
1912/12/10: 101212 = 101:212 = each is palindrome
1912/12/11: 111212 = 111:212 = each is palindrome
1912/12/12: 121212 = cyclic permutation symmetric
1912/12/12: 121212 = 121:212 = each is palindrome
1912/12/13: 131212 = 131:212 = each is palindrome
1912/12/14: 141212 = 141:212 = each is palindrome
1912/12/15: 151212 = 151:212 = each is palindrome
1912/12/16: 161212 = 161:212 = each is palindrome
1912/12/17: 171212 = 171:212 = each is palindrome
1912/12/18: 181212 = 181:212 = each is palindrome
1912/12/19: 191212 = 191:212 = each is palindrome
1912/12/19: 19121912 = cyclic permutation symmetric
1912/12/22: 121222 = 121:222 = each is palindrome