CCLXXX is a Roman numeral that represents the number 280. In the Roman numeral system, letters are combined to signify values, where "C" stands for 100, "L" for 50, and "X" for 10. Therefore, CCLXXX can be broken down as 200 (CC) + 80 (LXXX), resulting in a total of 280. Roman numerals are often used in various contexts, such as in the naming of monarchs and popes, or to denote the year of publication in books. Understanding Roman numerals, including CCLXXX, can enhance one's appreciation of historical texts and artifacts, as they frequently appear in ancient inscriptions and documents.