Many civilizations used base 12, most probably because you can count 12 phalanges using your thumb. https://en.wikipedia.org/wiki/Duodecimal https://en.wikipedi

Many civilizations used base 12, most probably because you can count 12 phalanges using your thumb. https://en.wikipedia.org/wiki/Duodecimal https://en.wikipedia.org/wiki/Duodecimal