5638

5638 is a natural number that comes after 5637 and before 5639. It is even and composite.

The prime factorization of 5638 is 2 × 2819, where 2819 is prime. Because it is the product of two primes, 5638 is a semiprime.

In decimal form, the sum of the digits of 5638 is 22, so the number is not divisible by 3 or 9. It is not a perfect square or cube. Its modular properties include being congruent to 2 modulo 3, and to 6 modulo 8.

Representations of 5638 in different bases include: binary 1011000000110, octal 13006, and hexadecimal 0x1606. In Roman numerals, large-scale representations require overline notation for five thousand, so 5638 would be written with a bar over V plus DCXXXVIII, depending on the convention used.

5638 may appear in various contexts as a simple identifier, index, or catalog number in scientific, technical, or historical datasets. There are no widely recognized constants, theorems, or famous mathematical constructions specifically associated with this particular number.