Numbers / 826

The Number 826

826 is composite: factorization 2 × 7 × 59. That gives 826 exactly 8 divisors: 1, 2, 7, 14, 59, 118, 413, 826. 826's proper divisors total just 614, 212 short of 826, the deficient case most of 826's neighbors share too. 826 has a digit sum of 16; for 826, the digital root works out to 7. 826: 2, 7 all divide 826 evenly, out of 2-12. 826 is 1100111010 in binary and 33A in hex; as a Roman numeral it's DCCCXXVI.