
Curios:
Curios Search:
Participate: 
The nth Prime Page will now find any of the first 2.623˙10^{15} primes or
π(x) for x up to 10^{17}. 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: 20020831 13:32:37; Last Modified: 20160702 19:57:51.
Prime Curios! © 20002017 (all rights
reserved)
