The book is now available! 66666...66667 (66-digits)
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
    666666 6666666666 6666666666 6666666666 6666666666 6666666666 6666666667
Single Curio View:   (Seek other curios for this number)

 

The 66-digit number 6*(10^66-1)/9+1, successor of the number having 66 digits "6", is prime. It is the 66/6=11-th prime of this form (successor of a repdigit "6"), while there are 22 smaller primes of the more general form m*(10^n-1)/9+1. [Hasler]

 

  Submitted: 2009-05-04 11:12:02;   Last Modified: 2009-05-04 17:16:48.



Prime Curios! © 2000-2017 (all rights reserved)