166
166 is an even composite number composed of two prime numbers multiplied together.
166 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.
Prime factorization of 166:
2^{} × 83^{}
See below for interesting mathematical facts about the number 166 from the Numbermatics database.
Names of 166
 Cardinal: 166 can be written as One hundred sixtysix.
Scientific notation
 Scientific notation: 1.66 × 10^{2}
Factors of 166
Divisors of 166
Bases of 166
 Binary: 10100110_{2}
 Hexadecimal: 0xA6
 Base36: 4M
Squares and roots of 166
Scales and comparisons
How big is 166? 166 seconds is equal to 2 minutes, 46 seconds.

To count from 1 to 166 would take you about twentythree seconds.
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 166 cubic inches would be around 0.5 feet tall.
Recreational maths with 166
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The information we have on file for 166 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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