Numbers / 110

The Number 110

110 is composite: factorization 2 × 5 × 11. That gives 110 exactly 8 divisors: 1, 2, 5, 10, 11, 22, 55, 110. 110's proper divisors total just 106, 4 short of 110, the deficient case most of 110's neighbors share too. 110 has a digit sum of 2; for 110, the digital root works out to 2. 110: 2, 5, 10, 11 all divide 110 evenly, out of 2-12. 110 is 1101110 in binary and 6E in hex; as a Roman numeral it's CX.