The book is now available! 717
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

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


A curious palindrome whose splitting up into parts 7 and 17 is interpretable in two ways. First as 'the 7th prime is 17' and secondly as 'the sum of the primes up to 7 is 17'. No larger palindrome is known having this two-fold property. [De Geest and Rosa]


  Submitted: 2002-08-27 19:56:50;   Last Modified: 2009-04-18 22:36:15.

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