2798

2798 is a natural number that follows 2797 and precedes 2799. In standard decimal notation it is even.

In mathematics, 2798 factors as 2 × 1399, with 1399 being prime; thus 2798 has exactly four positive divisors: 1, 2, 1399, and 2798. The sum of its digits is 26, giving a digital root of 8. It is not a prime, not a perfect square, and not a triangular number.

In Roman numerals, 2798 is written as MMDCCXCVIII.

As a year, 2798 could refer to a year far in the future (2798 CE) or, in historical or astronomical contexts, to a year 2798 BCE. In general usage, it is simply one more integer in the natural number sequence.

In astronomy, numbers in the sequence of minor-planet designations are used to identify objects in the solar system; 2798 is among those designation numbers, with any associated named object or discovery recorded in the Minor Planet Center database.

In other domains, 2798 may appear as a model number, catalog entry, or code within various systems. Like other integers, its meaning and significance depend on the context in which it is used.