On Sun, Sep 19, 2021 at 4:09 AM Matija Grabnar via Lois-Bujold < lois-bujold at lists.herald.co.uk> wrote: > No, it was the Babylonians that had a base 60 numbers system, Aztecs was > based 20, like the Japanese before they took base 10 from the Chinese. > A search indicates that you are right. I stand corrected. Matt G.