Numbers / 60

The Number 60

60 is composite: factorization 2^2 × 3 × 5. That gives 60 exactly 12 divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60. 60's proper divisors total 108, 48 more than 60 itself, so 60 is abundant. 60 has a digit sum of 6; for 60, the digital root works out to 6. 60: 2, 3, 4, 5, 6, 10, 12 all divide 60 evenly, out of 2-12. 60 is 111100 in binary and 3C in hex; as a Roman numeral it's LX.