Numbers / 998

The Number 998

998 is composite: factorization 2 × 499. That gives 998 exactly 4 divisors: 1, 2, 499, 998. 998's proper divisors total just 502, 496 short of 998, the deficient case most of 998's neighbors share too. 998 has a digit sum of 26; for 998, the digital root works out to 8. 998: 2 all divide 998 evenly, out of 2-12. 998 is 1111100110 in binary and 3E6 in hex; as a Roman numeral it's CMXCVIII.