2991 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.
Prime factorization of 2991:
3 × 997
See below for interesting mathematical facts about the number 2991 from the Numbermatics database.
Names of 2991
- Cardinal: 2991 can be written as Two thousand, nine hundred ninety-one.
- Scientific notation: 2.991 × 103
Factors of 2991
Divisors of 2991
Bases of 2991
- Binary: 1011101011112
- Hexadecimal: 0xBAF
- Base-36: 2B3
Squares and roots of 2991
Scales and comparisonsHow big is 2991?
- 2,991 seconds is equal to 49 minutes, 51 seconds.
To count from 1 to 2,991 would take you about forty-nine 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 randomly-chosen 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 2991 cubic inches would be around 1.2 feet tall.
Recreational maths with 2991
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Cite this page
"Number 2991 - Facts about the integer". Numbermatics.com. 2020. Web. 21 February 2020.
Numbermatics. (2020). Number 2991 - Facts about the integer. Retrieved 21 February 2020, from https://numbermatics.com/n/2991/
Numbermatics. 2020. "Number 2991 - Facts about the integer". https://numbermatics.com/n/2991/
The information we have on file for 2991 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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