12475857421
This number is a prime.
1 2475857421
The smallest palindromic prime formed by using all the digits which can be digital root of multidigit primes. [Gupta]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
1 2475857421
The smallest palindromic prime formed by using all the digits which can be digital root of multidigit primes. [Gupta]