1555 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 1555:
5 × 311
See below for interesting mathematical facts about the number 1555 from the Numbermatics database.
Names of 1555
- Cardinal: 1555 can be written as One thousand, five hundred fifty-five.
- Scientific notation: 1.555 × 103
Factors of 1555
Divisors of 1555
Bases of 1555
- Binary: 110000100112
- Hexadecimal: 0x613
- Base-36: 177
Squares and roots of 1555
Scales and comparisonsHow big is 1555?
- 1,555 seconds is equal to 25 minutes, 55 seconds.
To count from 1 to 1,555 would take you about twenty-five 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 1555 cubic inches would be around 1 feet tall.
Recreational maths with 1555
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Cite this page
"Number 1555 - Facts about the integer". Numbermatics.com. 2021. Web. 8 March 2021.
Numbermatics. (2021). Number 1555 - Facts about the integer. Retrieved 8 March 2021, from https://numbermatics.com/n/1555/
Numbermatics. 2021. "Number 1555 - Facts about the integer". https://numbermatics.com/n/1555/
The information we have on file for 1555 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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