2687

2,687 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 2687 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

2687 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 2687:

2687

See below for interesting mathematical facts about the number 2687 from the Numbermatics database.

Names of 2687

Cardinal: 2687 can be written as Two thousand, six hundred eighty-seven.

Scientific notation

Scientific notation: 2.687 × 10³

Factors of 2687

Number of distinct prime factors ω(n): 1
Total number of prime factors Ω(n): 1
Sum of prime factors: 2687

Divisors of 2687

Number of divisors d(n): 2
Complete list of divisors:
1 2687
Sum of all divisors σ(n): 2688
Sum of proper divisors (its aliquot sum) s(n): 1
2687 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2686

Bases of 2687

Binary: 101001111111₂
Hexadecimal: 0xA7F
Base-36: 22N

Squares and roots of 2687

2687 squared (2687²) is 7219969
2687 cubed (2687³) is 19400056703
The square root of 2687 is 51.8362807307
The cube root of 2687 is 13.9023821461

Scales and comparisons

How big is 2687?

2,687 seconds is equal to 44 minutes, 47 seconds.
To count from 1 to 2,687 would take you about forty-four 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 2687 cubic inches would be around 1.2 feet tall.

Recreational maths with 2687

2687 backwards is 7862
2687 is a twin prime! Its twin is 2689
The number of decimal digits it has is: 4
The sum of 2687's digits is 23
More coming soon!

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The information we have on file for 2687 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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