Numbers / 359

The Number 359

359 is prime: only 1 and 359 divide it evenly; the next prime after 359 is 367. 359's proper divisors total just 1, 358 short of 359, the deficient case most of 359's neighbors share too. 359 has a digit sum of 17; for 359, the digital root works out to 8. 359 shares no factor with 2-12; 359's own divisors start beyond that range. 359 is 101100111 in binary and 167 in hex; as a Roman numeral it's CCCLIX.