
Curios:
Curios Search:
Participate: 
Just showing those entries submitted by 'Rupinski': (Click here to show all)
The smallest prime that is a generalized repunit in three different bases. [Rupinski] The largest integer such that the average number of triangular numbers required to express the integers less than or equal to it is exactly two. [Rupinski]
Prime Curios! © 20002017 (all rights
reserved)
