what about 17
It seems like your question is incomplete or unclear. "17" could refer to many things such as a number, age, year, or concept depending on the context. If you could provide more details, I would be able to offer a more specific and helpful answer. If you're asking about special qualities or facts about the number 17, here are a few:
1. Seventeen is a prime number, meaning it is only divisible by itself and 1.
2. It's the seventh prime number, as it follows 2, 3, 5, 7, 11, and 13.
3. In many countries, 17 is the age just before one attains legal adulthood (which is often at 18).
4. In the world of science, the element with atomic number 17 is chlorine.
5. The number 17 has significance in various cultures and can have different symbolic meanings.
If this is not what you meant, please give more information or ask a related question.