Numbers / 918
The Number 918
918 is composite: factorization 2 × 3^3 × 17. That gives 918 exactly 16 divisors: 1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918. 918's proper divisors total 1242, 324 more than 918 itself, so 918 is abundant. 918 has a digit sum of 18; for 918, the digital root works out to 9. 918: 2, 3, 6, 9 all divide 918 evenly, out of 2-12. 918 is 1110010110 in binary and 396 in hex; as a Roman numeral it's CMXVIII.