1983/1/3: 010383 = 010:383 = each is palindrome
1983/1/15: 011583 = 011:583 = integer ratio of 1 to 53
1983/2/3: 020383 = 020:383 = each is palindrome
1983/2/14: 021483 = 021:483 = integer ratio of 1 to 23
1983/3/1: 010383 = 010:383 = each is palindrome
1983/3/2: 020383 = 020:383 = each is palindrome
1983/3/3: 030383 = 030:383 = each is palindrome
1983/3/4: 040383 = 040:383 = each is palindrome
1983/3/5: 050383 = 050:383 = each is palindrome
1983/3/6: 060383 = 060:383 = each is palindrome
1983/3/7: 070383 = 070:383 = each is palindrome
1983/3/8: 080383 = 080:383 = each is palindrome
1983/3/8: 3883 = palindrome
1983/3/8: 83038 = palindrome
1983/3/8: 8338 = palindrome
1983/3/8: 8383 = cyclic permutation symmetric
1983/3/9: 090383 = 090:383 = each is palindrome
1983/4/3: 040383 = 040:383 = each is palindrome
1983/4/15: 830415 = 830:415 = integer ratio of 2 to 1
1983/5/3: 050383 = 050:383 = each is palindrome
1983/6/3: 060383 = 060:383 = each is palindrome
1983/6/11: 061183 = 061:183 = integer ratio of 1 to 3
1983/7/3: 070383 = 070:383 = each is palindrome
1983/8/3: 080383 = 080:383 = each is palindrome
1983/8/3: 3883 = palindrome
1983/8/3: 8383 = cyclic permutation symmetric
1983/8/30: 083083 = cyclic permutation symmetric
1983/8/30: 830830 = cyclic permutation symmetric
1983/9/3: 090383 = 090:383 = each is palindrome
1983/9/6: 198396 = 198:396 = integer ratio of 1 to 2
1983/10/1: 831001 = 831:001 = integer ratio of 831 to 1
1983/10/3: 831003 = 831:003 = integer ratio of 277 to 1
1983/10/13: 101383 = 101:383 = each is palindrome
1983/11/6: 061183 = 061:183 = integer ratio of 1 to 3
1983/11/13: 111383 = 111:383 = each is palindrome
1983/12/13: 121383 = 121:383 = each is palindrome