The book is now available! 99999...99999 (169-digits)
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
                                             999999999 9999933333 3333339933
3333333339 9337777777 3399337999 9973399337 9333973399 3379373973 3993379333
9733993379 9999733993 3777777733 9933333333 3339933333 3333339999 9999999999
Single Curio View:   (Seek other curios for this number)

 

The largest square-congruent prime that is 2-deletable, i.e., removing the outer two most shells yields another square-congruent prime. Note that this can be repeated until you are down to the center nut. [Patterson]

 

  Submitted: 2004-01-06 14:30:17;   Last Modified: 2008-01-30 11:28:00.



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