15520

15520 is a number that falls between 15519 and 15521 in the sequence of natural numbers. It is an even number, as it is divisible by 2 without leaving a remainder. In the decimal numeral system, it is written as "fifteen thousand, five hundred and twenty" or "fifteen thousand, five hundred twenty" depending on regional conventions.

In mathematics, 15520 is a composite number, meaning it has factors other than 1 and itself. Its prime factorization is 2^5 * 5 * 193, indicating that it is divisible by 2, 5, and 193. This number is also a Harshad number, also known as a Niven number, because it is divisible by the sum of its digits (1+5+5+2+0=13).

15520 does not hold any particular significance in history or culture, but it is often used in various contexts, such as in mathematics, computer science, and engineering, where specific numbers are required for calculations or as identifiers. For instance, it might be used as a port number in networking or as a product code in inventory systems.