Numbers / 879
The Number 879
879 is composite: factorization 3 × 293. That gives 879 exactly 4 divisors: 1, 3, 293, 879. 879's proper divisors total just 297, 582 short of 879, the deficient case most of 879's neighbors share too. 879 has a digit sum of 24; for 879, the digital root works out to 6. 879: 3 all divide 879 evenly, out of 2-12. 879 is 1101101111 in binary and 36F in hex; as a Roman numeral it's DCCCLXXIX.