Smallest nonprime number with multiplicative persistence n.

A198377

Smallest nonprime number with multiplicative persistence n.

Terms

    a(0) =0a(1) =10a(2) =25a(3) =39a(4) =77a(5) =679a(6) =6788a(7) =68889a(8) =2677889a(9) =26888999a(10) =3778889989

External references