4771

4771 is a natural number that comes after 4770 and before 4772. It is odd and composite.

Its prime factorization is 4771 = 13 × 367, with 13 and 367 primes. Therefore the positive divisors are 1, 13, 367, and 4771.

As the sum of proper divisors is 381 (1 + 13 + 367), 4771 is a deficient number.

In base representations: binary 1001010100011_2; hexadecimal 0x12A3; octal 11243_8.

Additional properties: it is a semiprime (the product of two primes). It is not a sum of two squares because 367 ≡ 3 mod 4 appears to the first power in the factorization. It is not a triangular number or a perfect square; its digit sum is 19.