3
3 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.
3 is a prime number. Like all primes (except two), it is an odd number.
Prime factorization of 3:
3^{}
See below for interesting mathematical facts about the number 3 from the Numbermatics database.
Names of 3
- Cardinal: 3 can be written as Three.
Scientific notation
- Scientific notation: 3 × 10^{0}
Factors of 3
Divisors of 3
Bases of 3
- Binary: 11_{2}
- Hexadecimal: 0x3
- Base-36: 3
Squares and roots of 3
Scales and comparisons
How big is 3?- A cube with a volume of 3 cubic inches would be around 0.1 feet tall.
Recreational maths with 3
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The information we have on file for 3 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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