#math trivia for #September9: #252 is divisible by two perfect numbers. What other day-numbers (1-365) have this property? — Burt Kaliski Jr. (@modulomathy) September 9, 2013 There are two perfect numbers that are small enough to divide a day-number, 6 and 28, and they both divide 252. Because the least common multiple of 6 and … Continue reading