#math trivia for #September19: #262 is a palindrome that’s twice a palindrome. Which other day-numbers (1-365) have this property? — Burt Kaliski Jr. (@modulomathy) September 20, 2013 We’re restricted to even palindromes, so our set of candidates (same forward and reverse) is: 2, 4, 6, 8 22, 44, 66, 88 202, 212, 222, 232, 242, … Continue reading →