12345...54321 (67-digits)
This number is a prime.
1234567 0000000000 0000000000 0000000000 0000000000 0000000000 0007654321
The smallest palindromic prime of the form 12345670...0...07654321. [Marcel]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean