2443

2443 is an integer in the natural number system. It lies between 2442 and 2444.

In number theory, 2443 is composite. It factors as 7 × 349, with divisors 1, 7, 349, and 2443. The number is square-free and odd.

Representations of 2443 across common numeral systems include binary 100110001011, octal 4613, and hexadecimal 0x98B. In Roman numerals it is written as MMCDXLIII.

As a calendar year, 2443 would belong to the 25th century of the Common Era; no widely known historical events are associated with that year in standard chronological records. In fiction, 2443 is sometimes used as a future date or setting.

Summary: 2443 is a semiprime, being the product of two distinct primes (7 and 349), and it has four positive divisors. It has standard representations in binary, octal, hexadecimal, and Roman numerals, and it serves as a nominal year in speculative or fictional contexts.