1947/1/7: 010747 = 010:747 = each is palindrome
1947/1/18: 011847 = 011:847 = integer ratio of 1 to 77
1947/1/24: 012447 = 01:24:47 = arthimetic series of increment 23
1947/2/7: 020747 = 020:747 = each is palindrome
1947/2/11: 021147 = 021:147 = integer ratio of 1 to 7
1947/3/7: 030747 = 030:747 = each is palindrome
1947/3/25: 032547 = 03:25:47 = arthimetic series of increment 22
1947/4/7: 040747 = 040:747 = each is palindrome
1947/4/7: 4747 = cyclic permutation symmetric
1947/4/7: 7447 = palindrome
1947/4/9: 9447 = 94:47 = integer ratio of 2 to 1
1947/5/7: 050747 = 050:747 = each is palindrome
1947/5/26: 052647 = 05:26:47 = arthimetic series of increment 21
1947/6/7: 060747 = 060:747 = each is palindrome
1947/7/1: 010747 = 010:747 = each is palindrome
1947/7/2: 020747 = 020:747 = each is palindrome
1947/7/3: 030747 = 030:747 = each is palindrome
1947/7/4: 040747 = 040:747 = each is palindrome
1947/7/4: 47074 = palindrome
1947/7/4: 4747 = cyclic permutation symmetric
1947/7/4: 4774 = palindrome
1947/7/4: 7447 = palindrome
1947/7/5: 050747 = 050:747 = each is palindrome
1947/7/5: 194775 = 19:47:75 = arthimetic series of increment 28
1947/7/6: 060747 = 060:747 = each is palindrome
1947/7/6: 194776 = 194:776 = integer ratio of 1 to 4
1947/7/7: 070747 = 070:747 = each is palindrome
1947/7/8: 080747 = 080:747 = each is palindrome
1947/7/9: 090747 = 090:747 = each is palindrome
1947/7/27: 072747 = 07:27:47 = arthimetic series of increment 20
1947/8/7: 080747 = 080:747 = each is palindrome
1947/9/4: 4794 = 47:94 = integer ratio of 1 to 2
1947/9/4: 9447 = 94:47 = integer ratio of 2 to 1
1947/9/7: 090747 = 090:747 = each is palindrome
1947/9/28: 092847 = 09:28:47 = arthimetic series of increment 19
1947/10/1: 471001 = 471:001 = integer ratio of 471 to 1
1947/10/3: 471003 = 471:003 = integer ratio of 157 to 1
1947/10/14: 141047 = 141:047 = integer ratio of 3 to 1
1947/10/17: 101747 = 101:747 = each is palindrome
1947/11/2: 021147 = 021:147 = integer ratio of 1 to 7
1947/11/17: 111747 = 111:747 = each is palindrome
1947/11/29: 112947 = 11:29:47 = arthimetic series of increment 18
1947/12/17: 121747 = 121:747 = each is palindrome
1947/12/18: 121847 = 121:847 = integer ratio of 1 to 7