Numbers / 337

The Number 337

337 is prime: only 1 and 337 divide it evenly; the next prime after 337 is 347. 337's proper divisors total just 1, 336 short of 337, the deficient case most of 337's neighbors share too. 337 has a digit sum of 13; for 337, the digital root works out to 4. 337 shares no factor with 2-12; 337's own divisors start beyond that range. 337 is 101010001 in binary and 151 in hex; as a Roman numeral it's CCCXXXVII.