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 1642

  • 1642 is the smallest number n without zeros, so that for each digit d of n, the number 2d is a substring of n

Common Properties of 1642

Apocalyptic power
Composite
Deficient
Even
Evil
Smith (Joke)
Square-free
Untouchable