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 knights move on a chessboard that go up
- 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)
- 165 is the smallest number with more than one nonzero digit whose cubed digits sum to a cube (13 + 63 + 83 = 729 = 93)
- 168 is the smallest integer areas of an integer-sided triangle such that the length of its circumradius is a square