The book is now available! 997
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

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


The sum of digits of the largest 3-digit prime (997) provides the number prime less than or equal to the largest 2-digit prime (97). This is not true for any other tier of n-digit numbers. [Green]


  Submitted: 2010-01-18 12:16:02;   Last Modified: 2010-01-18 12:19:49.

Prime Curios! © 2000-2018 (all rights reserved)  privacy statement