13691

13,691 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 13691 look like?

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

13691 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 13691:

13691

See below for interesting mathematical facts about the number 13691 from the Numbermatics database.

Names of 13691

Cardinal: 13691 can be written as Thirteen thousand, six hundred ninety-one.

Scientific notation

Scientific notation: 1.3691 × 10⁴

Factors of 13691

Number of distinct prime factors ω(n): 1
Total number of prime factors Ω(n): 1
Sum of prime factors: 13691

Divisors of 13691

Number of divisors d(n): 2
Complete list of divisors:
1 13691
Sum of all divisors σ(n): 13692
Sum of proper divisors (its aliquot sum) s(n): 1
13691 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13690

Bases of 13691

Binary: 11010101111011₂
Hexadecimal: 0x357B
Base-36: AKB

Squares and roots of 13691

13691 squared (13691²) is 187443481
13691 cubed (13691³) is 2566288698371
The square root of 13691 is 117.0085466963
The cube root of 13691 is 23.9227842459

Scales and comparisons

How big is 13691?

13,691 seconds is equal to 3 hours, 48 minutes, 11 seconds.
To count from 1 to 13,691 would take you about three hours.

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 13691 cubic inches would be around 2 feet tall.

Recreational maths with 13691

13691 backwards is 19631
13691 is a twin prime! Its twin is 13693
The number of decimal digits it has is: 5
The sum of 13691's digits is 20
More coming soon!

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The information we have on file for 13691 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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