4387

4387 is a natural number that comes after 4386 and before 4388. It is odd and composite. The prime factorization of 4387 is 41 × 107, both primes, which makes 4387 a semiprime. Consequently, its positive divisors are 1, 41, 107, and 4387, for a total of four divisors.

In decimal notation it is written as 4387. The sum of its digits is 22, so the number is not divisible by 3, and being odd it is not divisible by 2 or 5. In other bases, 4387 equals 0x1123 in hexadecimal, 10443 in octal, and 1000100100011 in binary.

As a semiprime, 4387 is sometimes discussed in the context of integer factorization and primality testing, illustrating a number that has exactly two distinct prime factors. Its simple factorization makes it a useful example in educational contexts for demonstrating divisor counts and base representations, though it does not have widely noted applications beyond these arithmetic properties.