6647

6647 is a natural number in the decimal system. It follows 6646 and precedes 6648. It is a four-digit, odd, composite number.

Its prime factorization is 17 squared times 23, i.e., 6647 = 17^2 × 23. Consequently, 6647 is divisible by 23 and by 289 (since 23 × 289 = 6647). It is also a Harshad (Niven) number in base 10, because the sum of its digits is 6 + 6 + 4 + 7 = 23 and 6647 ÷ 23 equals 289.

In other base representations, 6647 is 1100111110111 in binary and 0x19F7 in hexadecimal. These representations reflect its decimal value and its factorization properties in different numeral systems.