Things That Would Make Beavis and Butt-Head Laugh, Too by DixonD

Question 7

A base-2 numeral system is binary, a base-3 system ternary, a base-10 system decimal, a base-16 system hexadecimal, and a base-20 numeral system vigesimal. What is the most common term for a base-60 numeral system, first used by the Sumerians?