1984/1/2: 1284 = 12:84 = integer ratio of 1 to 7
1984/1/2: 2184 = 21:84 = integer ratio of 1 to 4
1984/1/2: 8412 = 84:12 = integer ratio of 7 to 1
1984/1/4: 010484 = 010:484 = each is palindrome
1984/1/4: 1484 = 14:84 = integer ratio of 1 to 6
1984/1/4: 8414 = 84:14 = integer ratio of 6 to 1
1984/1/5: 840105 = 840:105 = integer ratio of 8 to 1
1984/1/14: 011484 = 011:484 = integer ratio of 1 to 44
1984/1/20: 012084 = 012:084 = integer ratio of 1 to 7
1984/1/20: 840120 = 840:120 = integer ratio of 7 to 1
1984/1/23: 012384 = 012:384 = integer ratio of 1 to 32
1984/1/24: 01241984 = 0124:1984 = integer ratio of 1 to 16
1984/1/24: 19840124 = 1984:0124 = integer ratio of 16 to 1
1984/1/26: 012684 = 012:684 = integer ratio of 1 to 57
1984/1/29: 012984 = 012:984 = integer ratio of 1 to 82
1984/2/1: 1284 = 12:84 = integer ratio of 1 to 7
1984/2/1: 2184 = 21:84 = integer ratio of 1 to 4
1984/2/1: 8421 = 8:4:2:1 = geometric series of ratio 0.5
1984/2/1: 8421 = 84:21 = integer ratio of 4 to 1
1984/2/4: 020484 = 020:484 = each is palindrome
1984/2/4: 4284 = 42:84 = integer ratio of 1 to 2
1984/2/8: 2884 = 28:84 = integer ratio of 1 to 3
1984/2/8: 8428 = 84:28 = integer ratio of 3 to 1
1984/2/10: 021084 = 021:084 = integer ratio of 1 to 4
1984/2/10: 840210 = 840:210 = integer ratio of 4 to 1
1984/2/24: 022484 = 022:484 = integer ratio of 1 to 22
1984/3/4: 030484 = 030:484 = each is palindrome
1984/3/23: 032384 = 032:384 = integer ratio of 1 to 12
1984/4/1: 010484 = 010:484 = each is palindrome
1984/4/1: 1484 = 14:84 = integer ratio of 1 to 6
1984/4/2: 020484 = 020:484 = each is palindrome
1984/4/2: 4284 = 42:84 = integer ratio of 1 to 2
1984/4/2: 8442 = 84:42 = integer ratio of 2 to 1
1984/4/3: 030484 = 030:484 = each is palindrome
1984/4/4: 040484 = 040:484 = each is palindrome
1984/4/5: 050484 = 050:484 = each is palindrome
1984/4/6: 060484 = 060:484 = each is palindrome
1984/4/7: 070484 = 070:484 = each is palindrome
1984/4/8: 080484 = 080:484 = each is palindrome
1984/4/8: 4884 = palindrome
1984/4/8: 84048 = palindrome
1984/4/8: 8448 = palindrome
1984/4/8: 8484 = cyclic permutation symmetric
1984/4/9: 090484 = 090:484 = each is palindrome
1984/4/19: 041984 = 041:984 = integer ratio of 1 to 24
1984/4/20: 042084 = 042:084 = integer ratio of 1 to 2
1984/4/20: 840420 = 840:420 = integer ratio of 2 to 1
1984/5/4: 050484 = 050:484 = each is palindrome
1984/5/28: 052884 = 052:884 = integer ratio of 1 to 17
1984/6/4: 060484 = 060:484 = each is palindrome
1984/7/4: 070484 = 070:484 = each is palindrome
1984/7/12: 071284 = 071:284 = integer ratio of 1 to 4
1984/8/2: 2884 = 28:84 = integer ratio of 1 to 3
1984/8/4: 080484 = 080:484 = each is palindrome
1984/8/4: 4884 = palindrome
1984/8/4: 8484 = cyclic permutation symmetric
1984/8/29: 082984 = 082:984 = integer ratio of 1 to 12
1984/9/4: 090484 = 090:484 = each is palindrome
1984/9/21: 092184 = 092:184 = integer ratio of 1 to 2
1984/10/1: 841001 = 841:001 = integer ratio of 841 to 1
1984/10/2: 021084 = 021:084 = integer ratio of 1 to 4
1984/10/14: 101484 = 101:484 = each is palindrome
1984/10/29: 841029 = 841:029 = integer ratio of 29 to 1
1984/11/14: 111484 = 111:484 = each is palindrome
1984/11/27: 112784 = 112:784 = integer ratio of 1 to 7
1984/12/7: 071284 = 071:284 = integer ratio of 1 to 4
1984/12/14: 121484 = 121:484 = integer ratio of 1 to 4
1984/12/14: 121484 = 121:484 = each is palindrome