Numbers / 897

The Number 897

897 is composite: factorization 3 × 13 × 23. That gives 897 exactly 8 divisors: 1, 3, 13, 23, 39, 69, 299, 897. 897's proper divisors total just 447, 450 short of 897, the deficient case most of 897's neighbors share too. 897 has a digit sum of 24; for 897, the digital root works out to 6. 897: 3 all divide 897 evenly, out of 2-12. 897 is 1110000001 in binary and 381 in hex; as a Roman numeral it's DCCCXCVII.