Numbers / 965

The Number 965

965 is composite: factorization 5 × 193. That gives 965 exactly 4 divisors: 1, 5, 193, 965. 965's proper divisors total just 199, 766 short of 965, the deficient case most of 965's neighbors share too. 965 has a digit sum of 20; for 965, the digital root works out to 2. 965: 5 all divide 965 evenly, out of 2-12. 965 is 1111000101 in binary and 3C5 in hex; as a Roman numeral it's CMLXV.