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 201

  • 201 is the smallest number n such that such that there are precisely 2 groups of orders n, n + 1, and n + 2
  • 201 is the smallest number whose square (40401) has the first two digits the same as the next two digits

Common Properties of 201

Composite
Deficient
Evil
Lucky
Odd
Square-free