2030/1/1: 010130 = 010:130 = integer ratio of 1 to 13
2030/1/2: 010230 = 010:230 = integer ratio of 1 to 23
2030/1/2: 212030 = 212:030 = each is palindrome
2030/1/3: 010330 = 010:330 = integer ratio of 1 to 33
2030/1/3: 03130 = palindrome
2030/1/3: 30103 = palindrome
2030/1/4: 010430 = 010:430 = integer ratio of 1 to 43
2030/1/5: 010530 = 010:530 = integer ratio of 1 to 53
2030/1/5: 1530 = 15:30 = integer ratio of 1 to 2
2030/1/5: 3015 = 30:15 = integer ratio of 2 to 1
2030/1/6: 010630 = 010:630 = integer ratio of 1 to 63
2030/1/7: 010730 = 010:730 = integer ratio of 1 to 73
2030/1/8: 010830 = 010:830 = integer ratio of 1 to 83
2030/1/9: 010930 = 010:930 = integer ratio of 1 to 93
2030/1/13: 011330 = 011:330 = integer ratio of 1 to 30
2030/1/13: 130130 = cyclic permutation symmetric
2030/1/26: 260130 = 260:130 = integer ratio of 2 to 1
2030/1/31: 013130 = 013:130 = integer ratio of 1 to 10
2030/2/1: 010230 = 010:230 = integer ratio of 1 to 23
2030/2/1: 212030 = 212:030 = each is palindrome
2030/2/2: 222030 = 222:030 = each is palindrome
2030/2/3: 02032030 = 0203:2030 = integer ratio of 1 to 10
2030/2/3: 03022030 = palindrome
2030/2/3: 03230 = palindrome
2030/2/3: 20300203 = 2030:0203 = integer ratio of 10 to 1
2030/2/3: 232030 = 232:030 = each is palindrome
2030/2/3: 30203 = palindrome
2030/2/4: 242030 = 242:030 = each is palindrome
2030/2/5: 252030 = 252:030 = each is palindrome
2030/2/6: 262030 = 262:030 = each is palindrome
2030/2/7: 272030 = 272:030 = each is palindrome
2030/2/8: 282030 = 282:030 = each is palindrome
2030/2/9: 203029 = 203:029 = integer ratio of 7 to 1
2030/2/9: 292030 = 292:030 = each is palindrome
2030/2/16: 021630 = 02:16:30 = arthimetic series of increment 14
2030/2/16: 021630 = 021:630 = integer ratio of 1 to 30
2030/2/23: 022330 = 022:330 = integer ratio of 1 to 15
2030/2/23: 230230 = cyclic permutation symmetric
2030/3/1: 010330 = 010:330 = integer ratio of 1 to 33
2030/3/1: 03130 = palindrome
2030/3/2: 02032030 = 0203:2030 = integer ratio of 1 to 10
2030/3/2: 03022030 = palindrome
2030/3/2: 03230 = palindrome
2030/3/2: 20300302 = palindrome
2030/3/2: 2030302 = palindrome
2030/3/2: 232030 = 232:030 = each is palindrome
2030/3/3: 030330 = 030:330 = integer ratio of 1 to 11
2030/3/3: 03330 = palindrome
2030/3/3: 30303 = palindrome
2030/3/4: 03430 = palindrome
2030/3/5: 03530 = palindrome
2030/3/6: 030630 = 030:630 = integer ratio of 1 to 21
2030/3/6: 03630 = palindrome
2030/3/7: 03730 = palindrome
2030/3/8: 03830 = palindrome
2030/3/9: 030930 = 030:930 = integer ratio of 1 to 31
2030/3/9: 03930 = palindrome
2030/3/11: 031130 = palindrome
2030/3/11: 110330 = 110:330 = integer ratio of 1 to 3
2030/3/19: 031930 = 031:930 = integer ratio of 1 to 30
2030/3/22: 032230 = palindrome
2030/4/1: 010430 = 010:430 = integer ratio of 1 to 43
2030/4/2: 242030 = 242:030 = each is palindrome
2030/4/3: 03430 = palindrome
2030/4/3: 30403 = palindrome
2030/4/5: 203045 = 20:30:45 = geometric series of ratio 1.5
2030/4/6: 04062030 = 0406:2030 = integer ratio of 1 to 5
2030/4/6: 20300406 = 2030:0406 = integer ratio of 5 to 1
2030/4/17: 041730 = 04:17:30 = arthimetic series of increment 13
2030/4/26: 042630 = 042:630 = integer ratio of 1 to 15
2030/5/1: 010530 = 010:530 = integer ratio of 1 to 53
2030/5/1: 1530 = 15:30 = integer ratio of 1 to 2
2030/5/2: 252030 = 252:030 = each is palindrome
2030/5/3: 03530 = palindrome
2030/5/3: 30503 = palindrome
2030/6/1: 010630 = 010:630 = integer ratio of 1 to 63
2030/6/2: 262030 = 262:030 = each is palindrome
2030/6/3: 030630 = 030:630 = integer ratio of 1 to 21
2030/6/3: 03630 = palindrome
2030/6/3: 30603 = palindrome
2030/6/4: 04062030 = 0406:2030 = integer ratio of 1 to 5
2030/6/7: 070630 = 070:630 = integer ratio of 1 to 9
2030/6/9: 090630 = 090:630 = integer ratio of 1 to 7
2030/6/9: 9630 = 9:6:3:0 = arthimetic series of increment -3
2030/6/18: 061830 = 06:18:30 = arthimetic series of increment 12
2030/6/21: 210630 = 210:630 = integer ratio of 1 to 3
2030/6/29: 062930 = 062:930 = integer ratio of 1 to 15
2030/7/1: 010730 = 010:730 = integer ratio of 1 to 73
2030/7/2: 272030 = 272:030 = each is palindrome
2030/7/3: 03730 = palindrome
2030/7/3: 30703 = palindrome
2030/7/6: 070630 = 070:630 = integer ratio of 1 to 9
2030/8/1: 010830 = 010:830 = integer ratio of 1 to 83
2030/8/2: 282030 = 282:030 = each is palindrome
2030/8/3: 03830 = palindrome
2030/8/3: 30803 = palindrome
2030/8/19: 081930 = 08:19:30 = arthimetic series of increment 11
2030/9/1: 010930 = 010:930 = integer ratio of 1 to 93
2030/9/2: 292030 = 292:030 = each is palindrome
2030/9/3: 030930 = 030:930 = integer ratio of 1 to 31
2030/9/3: 03930 = palindrome
2030/9/3: 30903 = palindrome
2030/9/6: 090630 = 090:630 = integer ratio of 1 to 7
2030/9/6: 9630 = 9:6:3:0 = arthimetic series of increment -3
2030/10/1: 301001 = 301:001 = integer ratio of 301 to 1
2030/10/3: 30103 = palindrome
2030/10/7: 301007 = 301:007 = integer ratio of 43 to 1
2030/10/10: 101030 = 101:030 = each is palindrome
2030/10/11: 111030 = 111:030 = each is palindrome
2030/10/12: 121030 = 121:030 = each is palindrome
2030/10/13: 131030 = 131:030 = each is palindrome
2030/10/14: 141030 = 141:030 = each is palindrome
2030/10/15: 10152030 = 1015:2030 = integer ratio of 1 to 2
2030/10/15: 151030 = 151:030 = each is palindrome
2030/10/15: 20301015 = 2030:1015 = integer ratio of 2 to 1
2030/10/16: 161030 = 161:030 = each is palindrome
2030/10/17: 171030 = 171:030 = each is palindrome
2030/10/18: 181030 = 181:030 = each is palindrome
2030/10/19: 191030 = 191:030 = each is palindrome
2030/10/20: 102030 = 10:20:30 = arthimetic series of increment 10
2030/11/3: 031130 = palindrome
2030/11/3: 110330 = 110:330 = integer ratio of 1 to 3
2030/11/3: 301103 = palindrome
2030/11/10: 111030 = 111:030 = each is palindrome
2030/12/10: 121030 = 121:030 = each is palindrome
2030/12/21: 122130 = 12:21:30 = arthimetic series of increment 9