2533

2533 is a natural number that follows 2532 and precedes 2534. It is often considered in its mathematical properties as a number of interest for being a semiprime and for its simple factorization.

In mathematics, 2533 is composite, with prime factorization 17 × 149. Its divisors are 1, 17, 149, and 2533. The digits sum to 13, and the number is odd. It is not a prime, nor is it a perfect square.

Representations of 2533 in different numeral systems include binary, octal, and hexadecimal. In binary, 2533 is 100111100101; in octal it is 4745; in hexadecimal it is 0x9E5. In Roman numerals, 2533 is written as MMDXXXIII.

As a calendar year, 2533 CE would be in the 26th century. In the proleptic Gregorian calendar, 2533 is not a leap year, so it would have 365 days. The year would be far in the future relative to the present, and no widely recognized historical events are associated with it in common reference works.