The book is now available! 167
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

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


The least prime factor of the smallest vampire number that has prime fangs of the same length (117067 = 167 * 701). A vampire number is an integer which can be written as the product of two factors (its "fangs") whose digits together are a rearrangement of the original number.


  Submitted: 2006-08-15 15:18:44;   Last Modified: 2008-08-28 20:46:40.

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