1972/1/2: 010272 = 010:272 = each is palindrome
1972/1/2: 1272 = 12:72 = integer ratio of 1 to 6
1972/1/2: 7212 = 72:12 = integer ratio of 6 to 1
1972/1/8: 1872 = 18:72 = integer ratio of 1 to 4
1972/1/8: 7218 = 72:18 = integer ratio of 4 to 1
1972/1/15: 011572 = 011:572 = integer ratio of 1 to 52
1972/1/16: 01161972 = 0116:1972 = integer ratio of 1 to 17
1972/1/16: 19720116 = 1972:0116 = integer ratio of 17 to 1
1972/1/20: 012072 = 012:072 = integer ratio of 1 to 6
1972/1/20: 720120 = 720:120 = integer ratio of 6 to 1
1972/1/23: 012372 = 012:372 = integer ratio of 1 to 31
1972/1/26: 012672 = 012:672 = integer ratio of 1 to 56
1972/1/27: 27172 = palindrome
1972/1/27: 72127 = palindrome
1972/1/29: 012972 = 012:972 = integer ratio of 1 to 81
1972/2/1: 010272 = 010:272 = each is palindrome
1972/2/1: 1272 = 12:72 = integer ratio of 1 to 6
1972/2/2: 020272 = 020:272 = each is palindrome
1972/2/3: 030272 = 030:272 = each is palindrome
1972/2/4: 040272 = 040:272 = each is palindrome
1972/2/4: 2472 = 24:72 = integer ratio of 1 to 3
1972/2/4: 7224 = 72:24 = integer ratio of 3 to 1
1972/2/5: 050272 = 050:272 = each is palindrome
1972/2/6: 060272 = 060:272 = each is palindrome
1972/2/7: 070272 = 070:272 = each is palindrome
1972/2/7: 2772 = palindrome
1972/2/7: 72027 = palindrome
1972/2/7: 7227 = palindrome
1972/2/7: 7272 = cyclic permutation symmetric
1972/2/8: 080272 = 080:272 = each is palindrome
1972/2/9: 090272 = 090:272 = each is palindrome
1972/2/12: 021272 = 02:12:72 = geometric series of ratio 6
1972/2/16: 021672 = 021:672 = integer ratio of 1 to 32
1972/2/25: 022572 = 022:572 = integer ratio of 1 to 26
1972/2/27: 27272 = palindrome
1972/2/27: 72227 = palindrome
1972/3/2: 030272 = 030:272 = each is palindrome
1972/3/6: 3672 = 36:72 = integer ratio of 1 to 2
1972/3/6: 7236 = 72:36 = integer ratio of 2 to 1
1972/3/13: 031372 = 031:372 = integer ratio of 1 to 12
1972/3/26: 032672 = 032:672 = integer ratio of 1 to 21
1972/3/27: 27372 = palindrome
1972/3/27: 72327 = palindrome
1972/4/2: 040272 = 040:272 = each is palindrome
1972/4/2: 2472 = 24:72 = integer ratio of 1 to 3
1972/4/26: 042672 = 042:672 = integer ratio of 1 to 16
1972/4/27: 27472 = palindrome
1972/4/27: 72427 = palindrome
1972/5/2: 050272 = 050:272 = each is palindrome
1972/5/25: 052572 = 052:572 = integer ratio of 1 to 11
1972/5/27: 27572 = palindrome
1972/5/27: 72527 = palindrome
1972/6/2: 060272 = 060:272 = each is palindrome
1972/6/3: 3672 = 36:72 = integer ratio of 1 to 2
1972/6/23: 062372 = 062:372 = integer ratio of 1 to 6
1972/6/27: 27672 = palindrome
1972/6/27: 72627 = palindrome
1972/7/2: 070272 = 070:272 = each is palindrome
1972/7/2: 2772 = palindrome
1972/7/2: 7272 = cyclic permutation symmetric
1972/7/20: 072072 = cyclic permutation symmetric
1972/7/20: 720720 = cyclic permutation symmetric
1972/7/27: 27772 = palindrome
1972/7/27: 72727 = palindrome
1972/8/1: 1872 = 18:72 = integer ratio of 1 to 4
1972/8/2: 080272 = 080:272 = each is palindrome
1972/8/19: 081972 = 081:972 = integer ratio of 1 to 12
1972/8/24: 082472 = 08:24:72 = geometric series of ratio 3
1972/8/27: 27872 = palindrome
1972/8/27: 72827 = palindrome
1972/9/2: 090272 = 090:272 = each is palindrome
1972/9/27: 2791972 = palindrome
1972/9/27: 27972 = palindrome
1972/9/27: 72927 = palindrome
1972/10/1: 721001 = 721:001 = integer ratio of 721 to 1
1972/10/7: 721007 = 721:007 = integer ratio of 103 to 1
1972/10/12: 101272 = 101:272 = each is palindrome
1972/11/3: 721103 = 721:103 = integer ratio of 7 to 1
1972/11/12: 111272 = 111:272 = each is palindrome
1972/11/26: 112672 = 112:672 = integer ratio of 1 to 6
1972/11/27: 271172 = palindrome
1972/11/27: 721127 = palindrome
1972/12/2: 021272 = 02:12:72 = geometric series of ratio 6
1972/12/2: 721202 = 72:12:02 = geometric series of ratio 0.166666666666667
1972/12/7: 72127 = palindrome
1972/12/10: 101272 = 101:272 = each is palindrome
1972/12/11: 111272 = 111:272 = each is palindrome
1972/12/12: 121272 = 121:272 = each is palindrome
1972/12/13: 131272 = 131:272 = each is palindrome
1972/12/14: 141272 = 141:272 = each is palindrome
1972/12/15: 151272 = 151:272 = each is palindrome
1972/12/16: 161272 = 161:272 = each is palindrome
1972/12/17: 171272 = 171:272 = each is palindrome
1972/12/18: 181272 = 181:272 = each is palindrome
1972/12/19: 191272 = 191:272 = each is palindrome