#math trivia for #February17: #48 is very abundant — its divisors add up to 124. How do you go from 48 = 16*3 to 124 = 31*4? — Burt Kaliski Jr. (@modulomathy) February 17, 2012 A perfect number n one whose smaller divisors add up to n.  The first two perfect numbers are 6 (smaller … Continue reading →