The book is now available! 909091
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ The greatest prime factor of any 14-digit repdigit is 909091. [La Haye]

+ The only prime of period fourteen. Note that 909091 contains 9091, the only prime of period ten. [Beedassy]

+ 909091 is a factor of 1010101010101. [Pimentel]

+ The largest unique emirp. [Loungrides]

Prime Curios! © 2000-2018 (all rights reserved)  privacy statement