9
9 is an odd composite number. It is composed of a single prime number multiplied by itself.
9 is an odd composite number. It has a total of three divisors.
Prime factorization of 9:
32
(3 × 3)See below for interesting mathematical facts about the number 9 from the Numbermatics database.
Names of 9
- Cardinal: 9 can be written as Nine.
Scientific notation
- Scientific notation: 9 × 100
Factors of 9
Divisors of 9
Bases of 9
- Binary: 10012
- Hexadecimal: 0x9
- Base-36: 9
Squares and roots of 9
Scales and comparisons
How big is 9?- A cube with a volume of 9 cubic inches would be around 0.2 feet tall.
Recreational maths with 9
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The information we have on file for 9 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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