33333...33333 (441-digits)

This number is a prime.

Single Curio View: (Seek other curios for this number)

   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3
   3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3

The only plus sign prime of order 21. Note that it is also a prime-digit prime. [Loungrides]

Submitted: 2009-09-19 15:29:07; Last Modified: 2014-08-30 15:16:45.