6533

6533 is an integer in the natural numbers, residing between 6532 and 6534. It is odd and composite, with prime factorization 6533 = 47 × 139, making it a semiprime. The sum of its decimal digits is 17, and it is not divisible by 3 or 5.

In other base representations, 6533 appears as follows: in binary it is 1100110000101, in octal it is 14605, and in hexadecimal it is 0x1985. These forms illustrate how the same quantity can be expressed across different numeral systems. The digits of 6533 in decimal are 6, 5, 3, and 3, reflecting its place as a four-digit number.

Beyond basic arithmetic properties, 6533 serves as an example in discussions of semiprimes—numbers that are the product of exactly two prime factors. Its factorization into 47 and 139 is noteworthy because both factors are themselves prime, illustrating a simple case of a composite number that is not the product of smaller repeated primes. This makes 6533 a commonly cited instance in introductory number theory when addressing prime factorization and the structure of composite numbers.