6389

6389 is a natural number that follows 6388 and precedes 6390. In arithmetic, it is odd and, moreover, a prime number, meaning it has no positive divisors other than 1 and itself.

6389 is congruent to 1 modulo 4 (6389 ≡ 1 mod 4). This property implies that it can be expressed as a sum of two squares; indeed, 6389 = 55^2 + 58^2.

In astronomy, 6389 is used as the numeric designation for a numbered minor planet in the catalog maintained by the Minor Planet Center. Such objects receive sequential numbers once their orbits are well determined, and they may later be given official names by the International Astronomical Union.

Beyond mathematics and astronomy, 6389 may appear as a designation in various catalogs or as part of product codes or identifiers in different contexts. However, there is no widely recognized topic or event specific to the number beyond these standard uses.