8161
8,161 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.
8161 is a prime number. Like all primes (except two), it is an odd number.
Prime factorization of 8161:
8161^{}
See below for interesting mathematical facts about the number 8161 from the Numbermatics database.
Names of 8161
 Cardinal: 8161 can be written as Eight thousand, one hundred sixtyone.
Scientific notation
 Scientific notation: 8.161 × 10^{3}
Factors of 8161
Divisors of 8161
Bases of 8161
 Binary: 1111111100001_{2}
 Hexadecimal: 0x1FE1
 Base36: 6AP
Squares and roots of 8161
 8161 squared (8161^{2}) is 66601921
 8161 cubed (8161^{3}) is 543538277281

The
square root of 8161 is 90.3382532485 
The
cube root of 8161 is 20.1332765617
Scales and comparisons
How big is 8161? 8,161 seconds is equal to 2 hours, 16 minutes, 1 second.

To count from 1 to 8,161 would take you about two hours.
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 8161 cubic inches would be around 1.7 feet tall.
Recreational maths with 8161
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"Number 8161  Facts about the integer". Numbermatics.com. 2021. Web. 26 October 2021.
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The information we have on file for 8161 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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