Number Gossip

(Enter a number and I'll tell you everything you wanted to know about it but were afraid to ask.)

Unique Properties of 532

  • 532 is the smallest even number differing by a composite number from both of its prime neighbors (submitted by Alexey Radul)
  • 532 is the smallest number n such that the sum of nonprime divisors of n minus the sum of prime divisors of n equals n
  • 532 is the smallest number n such that σ(n)-σ(n+1) equals n

Rare Properties of 532

Pentagonal

Common Properties of 532

Abundant
Composite
Even
Odious
Practical