The book is now available! 8
(just those submitted by Murthy)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ The largest number in which n is exactly twice pi(n). [Murthy]

+ The largest composite number such that all its proper divisors + 1 are primes. [Murthy]




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