What is xxxvi?

XXXVI is the Roman numeral for 36. In Roman numerals, symbols are used to represent numbers instead of the Arabic numerals (0-9). XXXVI is made up of the symbols X (10) and V (5), with the smaller value (V) placed before the larger value (X) to indicate subtraction.

In mathematics, XXXVI is an even composite number, as it can be divided by 1, 2, 3, 4, 6, 9, 12, 18, and 36. In Roman history, XXXVI can be found in the context of various events, years, or rulers, such as the 36th year of an emperor's reign or the 36th Olympiad.

Overall, XXXVI is simply a way to represent the number 36 in the Roman numeral system, which was commonly used in ancient Rome and is still occasionally used today in various contexts.