 |
21 (another Prime Pages' Curiosity) |
|
|
Curios:
Curios Search:
Participate:
|
Single Curio View: (Seek other curios for this number) 21 repeated twenty-one times, following 1, forms a smoothly undulating palindromic prime. [Silva]
Submitted: 2009-03-17 18:55:07; Last Modified: 2009-03-17 22:54:43.
Prime Curios! © 1999-2009 (all rights
reserved)
|