First n-digit number m such that sigma(m) is prime.

A112722

First n-digit number m such that sigma(m) is prime.

Terms

    a(0) =2a(1) =16a(2) =289a(3) =1681a(4) =10201a(5) =146689a(6) =1190281a(7) =10374841a(8) =103042801a(9) =1023424081a(10) =10009802401a(11) =100019755081

External references