[kutkloon7]

Yes, composite numbers have many advantages. Working in base 60 = 2^2 * 5 * 3, has advantages of working in base 2, base 5, and base 3.

In base 10, you can quickly spot multiples of 2, 5, and ten (or alternatively, reduce any number module 2, 5, or 10).

[vog]

> base 60 = 2^2 5 * 3, has advantages of working in base 2, base 5, and base 3.*

... and 4 and 6 and 10. (and 12, 15, 30, 60)

[kutkloon7]

And 120, 180, 240, ... ;)