I mean unless people had 6 fingers it would seem counter-intuitive to use any numbering system that does not have a base that is a multiple of 5. Or am I missing something?
60 is a “highly composite number” meaning that it divides well into a lot of different numbers 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60. While 10 divides into 4 numbers 1, 2, 5, 10. So you can get “quarter to 3” and have it be a simple fraction.
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