1,399 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 1399 look like?

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

1399 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 1399:


See below for interesting mathematical facts about the number 1399 from the Numbermatics database.

Names of 1399

  • Cardinal: 1399 can be written as One thousand, three hundred ninety-nine.

Scientific notation

  • Scientific notation: 1.399 × 103

Factors of 1399

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 1399

Divisors of 1399

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1400
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 1399 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1398

Bases of 1399

  • Binary: 101011101112
  • Hexadecimal: 0x577
  • Base-36: 12V

Squares and roots of 1399

  • 1399 squared (13992) is 1957201
  • 1399 cubed (13993) is 2738124199
  • The square root of 1399 is 37.4032084185
  • The cube root of 1399 is 11.1842252413

Scales and comparisons

How big is 1399?
  • 1,399 seconds is equal to 23 minutes, 19 seconds.
  • To count from 1 to 1,399 would take you about twenty-three 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 1399 cubic inches would be around 0.9 feet tall.

Recreational maths with 1399

  • 1399 backwards is 9931
  • The number of decimal digits it has is: 4
  • The sum of 1399's digits is 22
  • More coming soon!

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"Number 1399 - Facts about the integer". Numbermatics.com. 2022. Web. 6 December 2022.

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Numbermatics. (2022). Number 1399 - Facts about the integer. Retrieved 6 December 2022, from https://numbermatics.com/n/1399/

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The information we have on file for 1399 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!

Keywords: Divisors of 1399, math, Factors of 1399, curriculum, school, college, exams, university, Prime factorization of 1399, STEM, science, technology, engineering, physics, economics, calculator, one thousand, three hundred ninety-nine.

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