Numbers / 755

The Number 755

755 is composite: factorization 5 × 151. That gives 755 exactly 4 divisors: 1, 5, 151, 755. 755's proper divisors total just 157, 598 short of 755, the deficient case most of 755's neighbors share too. 755 has a digit sum of 17; for 755, the digital root works out to 8. 755: 5 all divide 755 evenly, out of 2-12. 755 is 1011110011 in binary and 2F3 in hex; as a Roman numeral it's DCCLV.