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 68

  • 68 is the smallest exponent of a power of 2 that contains all ten digits
  • 68 is the smallest composite number that becomes prime by turning it upside down
  • Out of all 2-digit strings, 68 is the last to appear in the decimal expansion of pi

Common Properties of 68

Composite
Deficient
Even
Evil
Happy