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 75

  • 75 is the smallest pandigital number in base 4: 75 is written as 1023 in base 4 and contains all the possible digits
  • 75 is the smallest numbers that is a sum of three squares forming an arithmetic progression: 75 = 1 + 25 + 49

Common Properties of 75

Composite
Deficient
Evil
Lucky
Odd