4857

4857 is a natural number that sits between 4856 and 4858. It is a four-digit, odd integer in base 10 with a value just under 5000.

Prime factorization: 4857 = 3 × 1619, where 1619 is a prime number. Therefore 4857 is composite but square-free (no repeated prime factors).

Decimal digit sum is 4+8+5+7 = 24, indicating divisibility by 3; indeed the number is divisible by 3. The digital root is 6.

Representations in other bases: in binary it is 1001011111001; in octal it is 11371; in hexadecimal it is 12F9. These representations reflect its decimal value.

In mathematical contexts, 4857 is used as an example of a composite, square-free four-digit number. It does not belong to common sequences such as primes, squares, or Fibonacci numbers.