The book is now available! 347
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 
Participate:
+ The number of minesweepers that supported the D-Day convoys in World War II.

+ The smallest prime such that the product of its digits is equal to 2 times the number of digits times the sum of digits. [Russo]

+ The largest three-digit prime which remains prime when 2 is added to any of its digits, i.e., 547, 367, and 349, are primes. [Opao]

+ Strobogrammatic primes on a calculator do not contain the digits 3, 4, or 7.

+ The fictitional street number of Dracula's London house (347 Piccadilly) according to Leslie S. Klinger's book The New Annotated Dracula. [Post]

  To link to this page use http://primes.utm.edu/curios/page.php?number_id=625


Prime Curios! © 1999-2009 (all rights reserved)