Number Gossip

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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 = 83 - 73)
  • 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

Rare Properties of 169

Square

Common Properties of 169

Composite
Deficient
Evil
Lucky
Odd
Powerful