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The original was posted on /r/todayilearned by /u/Positive_Owl_2024 on 2025-03-14 17:19:09+00:00.

Original Title: TIL: Sumerian and Babylonian math used a base 60 system. 60 was the most important number in Mesopotamian math. It is such a useful number system that today, we still measure time, angles, and coordinates using the Base 60 system created by the ancient Mesopotamians!