Numbers / 298

The Number 298

298 is composite: factorization 2 × 149. That gives 298 exactly 4 divisors: 1, 2, 149, 298. 298's proper divisors total just 152, 146 short of 298, the deficient case most of 298's neighbors share too. 298 has a digit sum of 19; for 298, the digital root works out to 1. 298: 2 all divide 298 evenly, out of 2-12. 298 is 100101010 in binary and 12A in hex; as a Roman numeral it's CCXCVIII.