Numbers / 227

The Number 227

227 is prime: only 1 and 227 divide it evenly; the next prime after 227 is 229. 227's proper divisors total just 1, 226 short of 227, the deficient case most of 227's neighbors share too. 227 has a digit sum of 11; for 227, the digital root works out to 2. 227 shares no factor with 2-12; 227's own divisors start beyond that range. 227 is 11100011 in binary and E3 in hex; as a Roman numeral it's CCXXVII.