A number which can be built up from Integers , , ..., by either Addition or
Multiplication such that

The numbers in the Sum are simply a Partition of . The first few amenable numbers are

In fact, all Composite Numbers are amenable.

**References**

Tamvakis, H. ``Problem 10454.'' *Amer. Math. Monthly* **102**, 463, 1995.

© 1996-9

1999-05-25