roman numberales
The base 20 number system is called the vigesimal numeral system.
Our number system is based on the number ten, and as a result, it is called the decimal system.
The number system based on thirty is trigesimal, 32 is probably called duotrigesimal.
The American number system is called the Hindu Arabic system and is the numbers 0123456789
Binary system
a coordinate system
That's called a number line.
The Decimal System.
roman numberales
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The number 9000000000000000000000000000 is called nine octillion in the short scale naming system. In the long scale naming system, it is called nine quadrillion. The short scale system is commonly used in the United States and most English-speaking countries, while the long scale system is used in some European countries.
the Mayan number system is called the Hieroglyphics, they thought that zero counted as a number, so they put that zero into the counting system... i hope this answer helps