CDXXXVII

CDXXXVII is a Roman numeral. It represents the number 437 in the modern Arabic numeral system. The Roman numeral system uses letters to represent numerical values. In this case, 'C' stands for 100, 'D' stands for 500, 'X' stands for 10, and 'V' stands for 5. The numeral is constructed by combining these symbols. When a symbol of lesser value precedes a symbol of greater value, it is subtracted. However, in CDXXXVII, the 'C' before 'D' indicates subtraction (500 - 100 = 400). Following this, 'X' (10) is repeated three times (XXX = 30), and 'V' (5) followed by 'I' (1) represents 5 + 1 + 1 (VII = 7). Therefore, CDXXXVII translates to 400 + 30 + 7, which equals 437. Roman numerals were widely used in ancient Rome and continued to be used in Europe for centuries for various purposes, including numbering manuscripts, dates, and in mathematical contexts before the widespread adoption of Hindu-Arabic numerals.