11553

11553 is a positive integer in the decimal numeral system. Its prime factorization is 11553 = 3 × 3851, where 3851 is a prime number. Because it is the product of two primes, 11553 is a semiprime and has exactly four positive divisors: 1, 3, 3851, and 11553.

In basic arithmetic terms, 11553 is an odd number and its digits sum to 15, which makes it divisible by 3 but not by 9. It is not divisible by 5, and it is not a prime number due to its factorization.

Representations of 11553 in other bases include binary and hexadecimal. In binary, 11553 is 10110100100001. In hexadecimal, it is 0x2D21. These alternate representations can be useful in computer science contexts, such as encoding and low-level arithmetic.

Applications and context: 11553 is primarily notable as a mathematical example rather than as a widely recognized designation in other fields. It serves as an illustration of a semiprime, and as a concrete number for demonstrating factorization, divisibility, and base-conversion techniques in number theory and education.

See also: semiprime, prime factorization, binary numeral system, hexadecimal numeral system.