"Sexagismal" is not a standard term in mathematics or any other field. It seems like a potential misspelling or misunderstanding of the term "sexagesimal".

Sexagesimal is a numeral system that uses the base 60. This means it has 60 unique symbols to represent numbers.

Here's why it's important:

* Ancient Mesopotamia and Babylonia: This system was used in ancient Mesopotamia and Babylonia, and it's the basis for our current system of measuring time (60 seconds in a minute, 60 minutes in an hour) and angles (360 degrees in a circle).

* Divisibility: Base 60 has many divisors (1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60), making it convenient for working with fractions and division.

If you meant "sexagesimal," I hope this explanation helps. If you had a different term in mind, please provide more context.