Numbers / 463

The Number 463

463 is prime: only 1 and 463 divide it evenly; the next prime after 463 is 467. 463's proper divisors total just 1, 462 short of 463, the deficient case most of 463's neighbors share too. 463 has a digit sum of 13; for 463, the digital root works out to 4. 463 shares no factor with 2-12; 463's own divisors start beyond that range. 463 is 111001111 in binary and 1CF in hex; as a Roman numeral it's CDLXIII.