6459

6459 is a four-digit natural number that lies between 6458 and 6460. In mathematics, it is an odd composite number. Its prime factorization is 3 × 2153, with 2153 being prime. Therefore, 6459 is not prime, not a prime power, and not a perfect square or cube. The sum of its decimal digits is 24, giving a digital root of 6; thus the number is divisible by 3 but not by 9. In binary it is 1100100111011, and in hexadecimal it is 0x193B.

In other contexts, 6459 may appear as a label, catalog number, or identifier in various systems. If used as a year, 6459 CE would lie far in the future. There are no widely known historical events tied specifically to the number 6459.