Early number systems that included positional notation were not decimal, including the sexagesimal (base 60) system for Babylonian numerals, and the vigesimal (base 20) system that defined Maya numerals.
Sistem wilangan pangawit sané kadagingin notasi posisi nénten desimal, rumasuk sistem sexagesimal (basis 60) antuk angka Babilonia, miwah sistem vigesimal (basis 20) sané negesang angka suku Maya.