6438

6438 is a natural number that follows 6437 and precedes 6439. It is even, and the sum of its digits is 21, which makes it divisible by 3. Consequently, 6438 is a composite number. Its prime factorization is 2 × 3 × 29 × 37, which shows it has four distinct prime factors.

This factorization also implies the number of positive divisors. 6438 has 16 divisors in total: 1, 2, 3, 6, 29, 37, 58, 74, 87, 111, 174, 222, 1073, 2146, 3219, and 6438.

In different numeral systems, 6438 can be represented as follows: in binary it is 1100100100110, in hexadecimal it is 0x1926, and in octal it is 14446. These representations reflect the same value expressed in different bases.

Beyond its basic properties as a number, 6438 is primarily of interest as an example of a composite integer with multiple distinct prime factors. It does not have widely noted special significances in common mathematical sequences or standard cataloging systems, but it is used in arithmetic demonstrations illustrating factorization, divisors, and base conversions.