Aztec numerals

Like Maya, Aztecs used vigesimal (based on 20) numeral system. But the aztec numeral system was additive, that means the order of symbols was not important and a special symbol was designated for every 20'th power. The following calculator converts an input integer number in Aztec number script.

Aztec numerals

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Aztec number

 

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Aztec numeral symbols

Aztec symbols for twenties power:

• dots for units
• flags for the twenties
• trees for the four hundreds
• ceremonial pouches for the eight thousands. ¹
  The Aztecs did not have a zero symbol.