Numbers / 141

The Number 141

141 is composite: factorization 3 × 47. That gives 141 exactly 4 divisors: 1, 3, 47, 141. 141's proper divisors total just 51, 90 short of 141, the deficient case most of 141's neighbors share too. 141 is also a palindrome, since 141 reads identically forwards and backwards. 141 has a digit sum of 6; for 141, the digital root works out to 6. 141: 3 all divide 141 evenly, out of 2-12. 141 is 10001101 in binary and 8D in hex; as a Roman numeral it's CXLI.