MMCCCXIII

MMCCCXIII is a Roman numeral representing the number 2313 in the Arabic numeral system. It is formed by the symbols M, M, CCC, X, and III. In Roman numerals, M equals 1000, CCC equals 300, X equals 10, and III equals 3. Adding these values yields 2313. This form uses additive notation rather than subtractive pairs, and there are no instances of IV, IX, or other subtractive combinations in this string.

In modern usage, Roman numerals are commonly written up to 3999 without overlines; MMCCCXIII is standard for 2313. As a year, 2313 AD would lie far in the future and has no widely recorded historical associations. The numeral can also appear in labeling systems, chapter headings, or model numbers where a conventional numeral is required.

Mathematically, 2313 factors as 3^2 × 257; 2313 is therefore composite. The prime factor 257 is itself prime. The number 2313 is even or odd? It is odd, and its divisibility by small primes can be checked via its digit sum and modular properties.