LXV is a Roman numeral that represents the number 65. In the Roman numeral system, letters are used to signify values, with "L" standing for 50, "X" for 10, and "V" for 5. Therefore, LXV is calculated as 50 + 10 + 5, totaling 65. In various contexts, LXV can refer to different subjects, such as the LXV model of a car or a specific LXV edition of a book. Roman numerals like LXV are often used in clocks, book chapters, and movie titles to convey a sense of tradition or formality.