Numbers / 59

The Number 59

59 is prime: only 1 and 59 divide it evenly; the next prime after 59 is 61. 59's proper divisors total just 1, 58 short of 59, the deficient case most of 59's neighbors share too. 59 has a digit sum of 14; for 59, the digital root works out to 5. 59 shares no factor with 2-12; 59's own divisors start beyond that range. 59 is 111011 in binary and 3B in hex; as a Roman numeral it's LIX.