#math trivia for #June23: #175 is 1200 base 5. In what other base(s) does it have a four-digit representation? — Burt Kaliski Jr. (@modulomathy) June 24, 2012 A four-digit representation base B covers numbers between B3 and B4-1.  (As usual, it is assumed that the leading digit is at least 1.) Therefore, it’s sufficient to … Continue reading →