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 237

  • 237 is the smallest number in the first pair of successive semiprimes with gap 10
  • 237 is the smallest 3-digit number with its digits being 3 distinct primes that is not prime nor any of the permutations of its digits represent a prime number

Common Properties of 237

Composite
Deficient
Evil
Lucky
Odd
Square-free