17221729

17221729 is a number that has gained attention due to its unique mathematical properties. It is a composite number, meaning it has factors other than 1 and itself. Specifically, 17221729 can be factored into 4147 and 4153, both of which are prime numbers. This factorization was discovered by a computer program in 2016, and the number itself was constructed by concatenating the prime numbers 41 and 47, and then 41 and 53.

The number 17221729 is notable for its simplicity and the ease with which it can be factored. This simplicity makes it a useful tool for educational purposes, as it demonstrates the basic principles of prime factorization. Additionally, the number's construction from smaller prime numbers highlights the relationship between prime and composite numbers.

Despite its mathematical significance, 17221729 is not particularly notable in other contexts. It does not have any known cultural, historical, or practical significance beyond its role in mathematics. The number's discovery serves as a reminder of the power of computational tools in number theory, as well as the importance of simple, well-constructed examples in mathematical education.