Numbers / 733

The Number 733

733 is prime: only 1 and 733 divide it evenly; the next prime after 733 is 739. 733's proper divisors total just 1, 732 short of 733, the deficient case most of 733's neighbors share too. 733 has a digit sum of 13; for 733, the digital root works out to 4. 733 shares no factor with 2-12; 733's own divisors start beyond that range. 733 is 1011011101 in binary and 2DD in hex; as a Roman numeral it's DCCXXXIII.