1291 is a prime number. Like all primes (except two), it is an odd number.
Prime factorization of 1291:
See below for interesting mathematical facts about the number 1291 from the Numbermatics database.
Names of 1291
- Cardinal: 1291 can be written as One thousand, two hundred ninety-one.
- Scientific notation: 1.291 × 103
Factors of 1291
Divisors of 1291
Bases of 1291
- Binary: 101000010112
- Hexadecimal: 0x50B
- Base-36: ZV
Squares and roots of 1291
Scales and comparisonsHow big is 1291?
- 1,291 seconds is equal to 21 minutes, 31 seconds.
To count from 1 to 1,291 would take you about twenty-one 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 1291 cubic inches would be around 0.9 feet tall.
Recreational maths with 1291
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Cite this page
"Number 1291 - Facts about the integer". Numbermatics.com. 2020. Web. 27 November 2020.
Numbermatics. (2020). Number 1291 - Facts about the integer. Retrieved 27 November 2020, from https://numbermatics.com/n/1291/
Numbermatics. 2020. "Number 1291 - Facts about the integer". https://numbermatics.com/n/1291/
The information we have on file for 1291 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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