Numbers / 413

The Number 413

413 is composite: factorization 7 × 59. That gives 413 exactly 4 divisors: 1, 7, 59, 413. 413's proper divisors total just 67, 346 short of 413, the deficient case most of 413's neighbors share too. 413 has a digit sum of 8; for 413, the digital root works out to 8. 413: 7 all divide 413 evenly, out of 2-12. 413 is 110011101 in binary and 19D in hex; as a Roman numeral it's CDXIII.