1973/1/3: 010373 = 010:373 = each is palindrome 1973/1/14: 011473 = 011:473 = integer ratio of 1 to 43 1973/2/3: 020373 = 020:373 = each is palindrome 1973/2/12: 021273 = 021:273 = integer ratio of 1 to 13 1973/3/1: 010373 = 010:373 = each is palindrome 1973/3/2: 020373 = 020:373 = each is palindrome 1973/3/3: 030373 = 030:373 = each is palindrome 1973/3/4: 040373 = 040:373 = each is palindrome 1973/3/5: 050373 = 050:373 = each is palindrome 1973/3/6: 060373 = 060:373 = each is palindrome 1973/3/7: 070373 = 070:373 = each is palindrome 1973/3/7: 3773 = palindrome 1973/3/7: 73037 = palindrome 1973/3/7: 7337 = palindrome 1973/3/7: 7373 = cyclic permutation symmetric 1973/3/8: 080373 = 080:373 = each is palindrome 1973/3/9: 090373 = 090:373 = each is palindrome 1973/4/3: 040373 = 040:373 = each is palindrome 1973/5/3: 050373 = 050:373 = each is palindrome 1973/6/3: 060373 = 060:373 = each is palindrome 1973/7/3: 070373 = 070:373 = each is palindrome 1973/7/3: 3773 = palindrome 1973/7/3: 7373 = cyclic permutation symmetric 1973/7/30: 073073 = cyclic permutation symmetric 1973/7/30: 730730 = cyclic permutation symmetric 1973/8/3: 080373 = 080:373 = each is palindrome 1973/9/3: 090373 = 090:373 = each is palindrome 1973/9/4: 197394 = 197:394 = integer ratio of 1 to 2 1973/9/12: 091273 = 091:273 = integer ratio of 1 to 3 1973/10/1: 731001 = 731:001 = integer ratio of 731 to 1 1973/10/13: 101373 = 101:373 = each is palindrome 1973/10/17: 731017 = 731:017 = integer ratio of 43 to 1 1973/11/13: 111373 = 111:373 = each is palindrome 1973/12/2: 021273 = 021:273 = integer ratio of 1 to 13 1973/12/9: 091273 = 091:273 = integer ratio of 1 to 3 1973/12/13: 121373 = 121:373 = each is palindrome