 |
2357 (another Prime Pages' Curiosity) |
|
|
Curios:
Curios Search:
Participate:
|
Single Curio View: (Seek other curios for this number) Adding the prime digits (2, 3, 5, 7) either to all primes with a prime number of distinct prime digits (23, 37, 53, 73, 257, 523) or to all nonprimes with a nonprime number of distinct prime digits (2375, 2537, 2573, 2735, 3275, 3572, 3725, 3752, 5327, 5372, 5723, 5732, 7235, 7325, 7352, 7532 ) forms a prime in each case (983 ; 76159) the reversal of whose product is also prime (79246847). [Beedassy]
Submitted: 2009-09-11 06:03:03; Last Modified: 2009-09-11 11:00:03.
Prime Curios! © 1999-2009 (all rights
reserved)
|