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 168

  • 168 is the number of hours in a week
  • 168 is the size of the smallest non-cyclic simple group which is not an alternating group
  • 168 is the number of primes less than 1000
  • 168 is the total number of spots on a set of dominoes (submitted by Ken Knowlton)

Common Properties of 168

Abundant
Composite
Even
Odious
Practical