# 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 169

- 169 is the smallest 3-digit square whose digits are increasing
- 169 is the smallest square that is prime when turned upside down (691)
- 169 is the number of nonequivalent starting hands in Texas hold 'em
- 169 is the smallest index of a prime number that shares the first digit with the prime number (169-th prime number is 1009)
- 169 is the smallest square that is a difference between two cubes (169 = 8
^{3}- 7^{3}) - 169 is the smallest odd winning position in Fibonacci nim
- 169 is the smallest square such that the next squares is an anagram of its digits