2599

2599 is a natural number that follows 2598 and precedes 2600. In mathematics, it is an odd composite number and a semiprime, since its prime factorization is 23 × 113. Its divisors are 1, 23, 113, and 2599, giving it four positive divisors. The digits sum to 25 and its digital root is 7.

2599 is written in Roman numerals as MMDXCIX.

As a year, 2599 would fall in the 26th century of the Gregorian calendar and is not a leap year, because 2599 is not divisible by 4.

In astronomy, 2599 is used as the numerical designation for a minor planet in the standard cataloging system that assigns sequential numbers to such bodies; the number identifies a specific object rather than implying order of discovery within a year.