Numbers / 412

The Number 412

412 is composite: factorization 2^2 × 103. That gives 412 exactly 6 divisors: 1, 2, 4, 103, 206, 412. 412's proper divisors total just 316, 96 short of 412, the deficient case most of 412's neighbors share too. 412 has a digit sum of 7; for 412, the digital root works out to 7. 412: 2, 4 all divide 412 evenly, out of 2-12. 412 is 110011100 in binary and 19C in hex; as a Roman numeral it's CDXII.