Babylonians were the first people to develop the written number system. Their number system is based on Sexagesimal System. It appeared around 1900 BC to 1800 BC.
The Babylonian number system had only two basic elements; l and < .
59 numbers are built from these two symbols.
Example:
For example, 1,45,29,36 represents the sexagesimal number
1 x 60³ + 45 x 60² + 29 x 60 + 36
= 1 x 216000 + 45 x 3600 + 29 x 60 + 36
= 216000 + 162000 + 1740 + 36
The decimal notation is 379776
1,45,29,36 in Babylonian Numerals
Babylonians did not have a digit for zero, instead they used a space to mark the nonexistence of a digit in a certain place value.
Example:
4,0,8 in Babylonian Numerals
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