Numbers / 514

The Number 514

514 is composite: factorization 2 × 257. That gives 514 exactly 4 divisors: 1, 2, 257, 514. 514's proper divisors total just 260, 254 short of 514, the deficient case most of 514's neighbors share too. 514 has a digit sum of 10; for 514, the digital root works out to 1. 514: 2 all divide 514 evenly, out of 2-12. 514 is 1000000010 in binary and 202 in hex; as a Roman numeral it's DXIV.