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rcme
on April 13, 2023
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A number system invented by Inuit schoolchildren
This isn’t base 20, though. It’s actually base 5. But groups of 2 digits are written in the same text area. Basically a fancy ligature.
tobr
on April 13, 2023
[–]
The bottom part has 5 digits, but the top part only has 4 (counting blank as digit 0). If both had 5 digits there would have been 5×5=25 positional digits.
So it’s kind of base 5, base 4, and base 20 at the same time.
rcme
on April 13, 2023
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Good point
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