Submitted by anujshr7 t3_z07mpo in explainlikeimfive
StupidLemonEater t1_ix3zv61 wrote
Reply to comment by UltraGucamole in eli5 why is 9 the last number? and why then we use 10 and repeat in sets of 10? by anujshr7
Other cultures in history have used other counting systems. The Egyptians counted in base-12, the Babylonians in base-60, and the Mayans in base-20.
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