20212223242526272829
This number is a prime.
2021222324 2526272829
Single Curio View: (Seek other curios for this number)
The only prime formed from all two-digit integers with the
same first digit. [Silva]
Submitted: 2009-11-15 02:06:31; Last Modified: 2009-11-15 18:09:09.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell