15971

15,971 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 15971 look like?

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

15971 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 15971:

15971

See below for interesting mathematical facts about the number 15971 from the Numbermatics database.

Names of 15971

Cardinal: 15971 can be written as Fifteen thousand, nine hundred seventy-one.

Scientific notation

Scientific notation: 1.5971 × 10⁴

Factors of 15971

Number of distinct prime factors ω(n): 1
Total number of prime factors Ω(n): 1
Sum of prime factors: 15971

Divisors of 15971

Number of divisors d(n): 2
Complete list of divisors:
1 15971
Sum of all divisors σ(n): 15972
Sum of proper divisors (its aliquot sum) s(n): 1
15971 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 15970

Bases of 15971

Binary: 11111001100011₂
Hexadecimal: 0x3E63
Base-36: CBN

Squares and roots of 15971

15971 squared (15971²) is 255072841
15971 cubed (15971³) is 4073768343611
The square root of 15971 is 126.3764218515
The cube root of 15971 is 25.1831877447

Scales and comparisons

How big is 15971?

15,971 seconds is equal to 4 hours, 26 minutes, 11 seconds.
To count from 1 to 15,971 would take you about four 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 15971 cubic inches would be around 2.1 feet tall.

Recreational maths with 15971

15971 backwards is 17951
15971 is a twin prime! Its twin is 15973
The number of decimal digits it has is: 5
The sum of 15971's digits is 23
More coming soon!

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The information we have on file for 15971 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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