Numbers / 118
The Number 118
118 is composite: factorization 2 × 59. That gives 118 exactly 4 divisors: 1, 2, 59, 118. 118's proper divisors total just 62, 56 short of 118, the deficient case most of 118's neighbors share too. 118 has a digit sum of 10; for 118, the digital root works out to 1. 118: 2 all divide 118 evenly, out of 2-12. 118 is 1110110 in binary and 76 in hex; as a Roman numeral it's CXVIII.