The book is now available! 19531891183017701711
(just those submitted by Gupta)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
                                                       1953189118 3017701711

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

+ The smallest prime formed from reverse concatenation of five consecutive triangular numbers, i.e., 1953, 1891, 1830, 1770, and 1711. [Gupta]




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