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 2012

  • 2012 is the smallest number n such that σ(n) + σ(n+3) = σ(n+1) + σ(n+2)

Common Properties of 2012

Apocalyptic power
Composite
Deficient
Even
Evil
Ulam