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 211
- 211 is the number of primes that can appear on a 24-hour digital clock starting from 00:00 up to 23:59 (verified by Christopher Heckman)
- 211 is the smallest prime p such that sum of even digits of p equals sum of odd digits of p
- 211 is the smallest prime isolated from neighboring primes by more than 10
- 211 is the smallest home prime that is home to three primes