The book is now available! 123456879
(just those submitted by Gupta)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ The smallest zeroless pandigital Smith number. Curiously, it is also the smallest 9-digit number with exactly 9 prime factors (counted with multiplicity). [Gupta]




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