
Curios:
Curios Search:
Participate: 
The largest minimal prime in base 7. [Rupinski]
The smallest prime equal to the sum of the n first powers of 7 (n=5). [Loungrides] The sum total of kitts, cats, sacks, wives, plus the man himself, in the St. Ives Problem.
(There are 2 curios for this number that have not yet been approved by an editor.)
Prime Curios! © 20002018 (all rights
reserved)
privacy statement
