Numbers / 329

The Number 329

329 is composite: factorization 7 × 47. That gives 329 exactly 4 divisors: 1, 7, 47, 329. 329's proper divisors total just 55, 274 short of 329, the deficient case most of 329's neighbors share too. 329 has a digit sum of 14; for 329, the digital root works out to 5. 329: 7 all divide 329 evenly, out of 2-12. 329 is 101001001 in binary and 149 in hex; as a Roman numeral it's CCCXXIX.