RECREATIONAL NUMBER THEORY
Prime FamiliesPrimes in Prime
Take every digit of a prime, rearrange any subset of them, and see how many more primes were hiding inside it all along.
317
→
3, 7, 13, 17, 31, 37, 71, 73, 137, 173, 317
Created by Inder J. Taneja
| Rank | Seed | Digits | Family size |
|---|