18

By: Caroline Blake

The Number 18

1. The number 18 is a composite number.
2. The number 18 is an even number.
3. The number 18 is divisible by 1, 2, 3, 6, 9, and 18.
4. The square root of 18 is 4.242640687119285
5. The factors of 18 are 1, 2, 3, 6, 9, and 18.
6. 18 numeral is XVIII.
7. 18 is a rational number.

Non-Mathimatical facts about 18

1. You can start voting when your 18.
2. You are considered an adult when you're 18.
3. 18 is a lucky number for Jews.