derivative work of the following images: File:PacalII.svg licensed with Cc-pd-mark-footer, PD-old 2009-10-29T16:47:50Z TastyCakes 211x271 (198282 Bytes) {{Information
of 20. We do that in our decimal system too: for example 32 is 3×10+2. In the Maya system, this would be 1×20+12, because they used 20 as base. Numbers