6,691 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 6691 look like?

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

6691 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 6691:


See below for interesting mathematical facts about the number 6691 from the Numbermatics database.

Names of 6691

  • Cardinal: 6691 can be written as Six thousand, six hundred ninety-one.

Scientific notation

  • Scientific notation: 6.691 × 103

Factors of 6691

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 6691

Divisors of 6691

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 6692
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 6691 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 6690

Bases of 6691

  • Binary: 11010001000112
  • Hexadecimal: 0x1A23
  • Base-36: 55V

Squares and roots of 6691

  • 6691 squared (66912) is 44769481
  • 6691 cubed (66913) is 299552597371
  • The square root of 6691 is 81.7985329941
  • The cube root of 6691 is 18.8435913177

Scales and comparisons

How big is 6691?
  • 6,691 seconds is equal to 1 hour, 51 minutes, 31 seconds.
  • To count from 1 to 6,691 would take you about fifty-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 6691 cubic inches would be around 1.6 feet tall.

Recreational maths with 6691

  • 6691 backwards is 1966
  • The number of decimal digits it has is: 4
  • The sum of 6691's digits is 22
  • More coming soon!

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The information we have on file for 6691 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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