Numbers / 893

The Number 893

893 is composite: factorization 19 × 47. That gives 893 exactly 4 divisors: 1, 19, 47, 893. 893's proper divisors total just 67, 826 short of 893, the deficient case most of 893's neighbors share too. 893 has a digit sum of 20; for 893, the digital root works out to 2. 893 shares no factor with 2-12; 893's own divisors start beyond that range. 893 is 1101111101 in binary and 37D in hex; as a Roman numeral it's DCCCXCIII.