Smallest n-digit prime containing only digits 2 and 9, or 0 if no such prime exists.

A036939

Smallest n-digit prime containing only digits 2 and 9, or 0 if no such prime exists.

Terms

    a(0) =2a(1) =29a(2) =229a(3) =2999a(4) =22229a(5) =0a(6) =2222929a(7) =22229299a(8) =222229229a(9) =2222229299a(10) =22222229299a(11) =0a(17) =0

External references