5646

5646 is a natural number that follows 5645 and precedes 5647. It is an even and composite four-digit integer.

Its prime factorization is 5646 = 2 × 2823, with 2823 further decomposed as 3 × 941. Therefore 5646 = 2 × 3 × 941, and the number has eight positive divisors: 1, 2, 3, 6, 941, 1882, 2823, and 5646.

In decimal form, the sum of the digits is 5 + 6 + 4 + 6 = 21, which confirms that 5646 is divisible by 3 (since 21 is a multiple of 3). It is not divisible by 9 because 21 is not a multiple of 9. Consequently, 5646 ≡ 3 (mod 9).

Representations in other bases include binary, hexadecimal, and octal. In binary, 5646 equals 1011000001110. In hexadecimal, it is 0x160E. In octal, it is 013016.

As a four-digit even composite number, 5646 appears in mathematical contexts as an example of a product of three distinct primes (2, 3, and 941). Its divisors and base-conversion forms are typical among numbers of similar size.