523
523 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.
523 is a prime number. Like all primes (except two), it is an odd number.
Prime factorization of 523:
523^{}
See below for interesting mathematical facts about the number 523 from the Numbermatics database.
Names of 523
 Cardinal: 523 can be written as Five hundred twentythree.
Scientific notation
 Scientific notation: 5.23 × 10^{2}
Factors of 523
Divisors of 523
Bases of 523
 Binary: 1000001011_{2}
 Hexadecimal: 0x20B
 Base36: EJ
Squares and roots of 523
Scales and comparisons
How big is 523? 523 seconds is equal to 8 minutes, 43 seconds.

To count from 1 to 523 would take you about four minutes.
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomlychosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
 A cube with a volume of 523 cubic inches would be around 0.7 feet tall.
Recreational maths with 523
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The information we have on file for 523 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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