13
13 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.
13 is a prime number. Like all primes (except two), it is an odd number.
Prime factorization of 13:
13
See below for interesting mathematical facts about the number 13 from the Numbermatics database.
Names of 13
- Cardinal: 13 can be written as Thirteen.
Scientific notation
- Scientific notation: 1.3 × 101
Factors of 13
Divisors of 13
Bases of 13
- Binary: 11012
- Hexadecimal: 0xD
- Base-36: D
Squares and roots of 13
Scales and comparisons
How big is 13?- A cube with a volume of 13 cubic inches would be around 0.2 feet tall.
Recreational maths with 13
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The information we have on file for 13 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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