sexagesimal

1. not comparablemathematicsOf, related to, or based on the number sixty.

   The common English divisions of time, longitude, and latitude are all computed using sexagesimal arithmetic.

   2 more examples

   The first sixty argam form the basis for my own sexagesimal use, in the accounting of my business and in the dimensioning of buildings.

   2014 November 24, Michael Thomas De Vlieger, “Multiplication Tables of Various Bases”, in The Number Base, archived from the original on 06 Feb 2023, page 43

   She then supplied a detailed description of the Babylonians, who had relied on a sexagesimal system―counting by sixties, she explained―for both mathematics and astronomy.

   2022, Bonnie Garmus, Lessons in Chemistry, Penguin (2023), page 325

   Synonyms: sexagenary, base-60

plural sexagesimals

1. mathematicsA fraction involving division by 60; a sixtieth part of something.

   Decimals are actually less convenient than sexagesimals for working with most common fractions.

2. mathematicsA base-60 number.

   Babylonian mathematics was computed in sexagesimals.