Origin of vigesimal
Examples from the Web for vigesimal
This leads the quinary into the vigesimal scale, and produces the combination so often found in certain parts of the world.
Considering the fact that the use of vigesimal counting was universal among Celtic races, this explanation is quite gratuitous.
Any number system which passes the limit 10 is reasonably sure to have either a quinary, a decimal, or a vigesimal structure.
In the following scale the vigesimal structure is still more obscure.
It counted by units and scores; in other words, it was a vigesimal system.The Maya Chronicles|Various