8345

8345 is a natural number that comes after 8344 and before 8346. In decimal notation it is written with four digits.

Arithmetic properties: 8345 is odd and composite, as it factors into 5 × 1669. The prime 1669 is itself prime, giving the full factorization 5 × 1669. The number is square-free since no prime factor is repeated, and its digit sum is 20, yielding a digital root of 2. It is not a Harshad number, because 8345 is not divisible by 20.

Representations and bases: In base representations, 8345 equals 10000010011001 in binary and 0x2099 in hexadecimal. In scientific notation it can be written as 8.345 × 10^3.

Context in mathematics: In mathematics, 8345 serves as an example of a four-digit composite that is not a square or a cube. It is not prime, and it is not among the common small perfect powers. As a plain integer, it may appear in various catalogs and datasets as an incidental identifier.