656661

656661 is a natural number. It lies between 656660 and 656662 and can be used as an example of a six-digit integer in mathematical discussions.

656661 is odd and composite. It factors as 3 × 218887, where 218887 is a prime number. Therefore, the prime factorization of 656661 is 3 × 218887. Its divisibility tests show that it is divisible by 3 but not by 9, and its digital root is 3.

In different numeral bases, 656661 has the following representations: in hexadecimal it is 0xA0515, and in binary it is 10100000010100010101. These representations reflect its magnitude and its factorization, since the hexadecimal form directly encodes the value 10 in the highest place, followed by 0, 5, 1, and 5.

There is no widely known constant, theorem, or named sequence specifically associated with 656661. It is primarily of interest as a concrete example of a composite, six-digit integer and as a case study in basic factorization and base conversion.