6449

6449 is a positive integer. In mathematics, it is notable as a prime number.

As a prime, 6449 is odd and has no divisors other than 1 and itself. It is congruent to 1 modulo 4 (6449 ≡ 1 mod 4), which implies, by Fermat’s theorem on sums of two squares, that 6449 can be expressed as a sum of two squares. Indeed, 6449 = 80^2 + 7^2. Its binary representation is 1100100110001₂ and its hexadecimal representation is 0x1931.

In broader use, 6449 may appear as an identifier or label in various catalogs or systems, but it does not have widely noted historical or cultural significance beyond its mathematical properties.