MMMCMXLIX
MMMCMXLIX is the Roman numeral for the decimal number 3949. It is constructed from MMM (3000), CM (900), XL (40), and IX (9), which sum to 3949. The numeral uses subtractive notation for CM, XL, and IX, a convention that avoids certain repeated symbols.
Roman numerals originated in ancient Rome and were widely used in Europe through the Middle Ages. In
In arithmetic terms, 3949 factors as 11 × 359, so it is not a prime number. The