Numbers / 986

The Number 986

986 is composite: factorization 2 × 17 × 29. That gives 986 exactly 8 divisors: 1, 2, 17, 29, 34, 58, 493, 986. 986's proper divisors total just 634, 352 short of 986, the deficient case most of 986's neighbors share too. 986 has a digit sum of 23; for 986, the digital root works out to 5. 986: 2 all divide 986 evenly, out of 2-12. 986 is 1111011010 in binary and 3DA in hex; as a Roman numeral it's CMLXXXVI.