The book is now available! 19
(just those submitted by Losnak)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

Just showing those entries submitted by 'Losnak': (Click here to show all)

+ The smallest prime that is equal to the product of its digits plus the sum of its digits: 19 = (1 * 9) + (1 + 9). [Losnak]




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