MathDB
10101, 101010101

Source: Pan African 2003

October 4, 2005
number theoryprime numbers

Problem Statement

Does there exists a base in which the numbers of the form: 10101,101010101,1010101010101,⋯ 10101, 101010101, 1010101010101,\cdots are all prime numbers?
Back to ProblemsView on AoPS