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 773

  • 773 is the smallest prime p with property that appending or prepending any single decimal digit to p does not produce a prime
  • 773 is the smallest home prime that is home to five primes
  • 773 is the smallest odd number n so that n+2k is composite for all k less than n
  • 773 is the largest three-digit Unholey prime: such primes do not have holes in their digits

Common Properties of 773