The book is now available! 5
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

The nth Prime Page will now find any of the first 2.623˙1015 primes or π(x) for x up to 1017.

Single Curio View:   (Seek other curios for this number)


5 is the smallest first member of a twin primes pair (a, b) such that (a + b) +/- 1 is a second twin primes pair (c, d). [De Geest]


  Submitted: 2002-08-31 13:32:37;   Last Modified: 2016-07-02 19:57:51.

Prime Curios! © 2000-2016 (all rights reserved)