CXXXIII is the Roman numeral representation for the number 133. Roman numerals are a numeral system originating from ancient Rome, using combinations of letters from the Latin alphabet. In this system, "C" stands for 100, "X" for 10, and "III" for 3, which together add up to 133. The use of Roman numerals, such as CXXXIII, can be found in various contexts, including clock faces, book chapters, and movie titles. This numeral system is still used today, particularly in formal or artistic settings, to convey a sense of tradition and history.