1397

1,397 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1397 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

1397 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 1397:

11 × 127

See below for interesting mathematical facts about the number 1397 from the Numbermatics database.


Names of 1397

  • Cardinal: 1397 can be written as One thousand, three hundred ninety-seven.

Scientific notation

  • Scientific notation: 1.397 × 103

Factors of 1397

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 138

Divisors of 1397

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1536
  • Sum of proper divisors (its aliquot sum) s(n): 139
  • 1397 is a deficient number, because the sum of its proper divisors (139) is less than itself. Its deficiency is 1258

Bases of 1397

  • Binary: 101011101012
  • Hexadecimal: 0x575
  • Base-36: 12T

Squares and roots of 1397

  • 1397 squared (13972) is 1951609
  • 1397 cubed (13973) is 2726397773
  • The square root of 1397 is 37.3764631821
  • The cube root of 1397 is 11.1788930711

Scales and comparisons

How big is 1397?
  • 1,397 seconds is equal to 23 minutes, 17 seconds.
  • To count from 1 to 1,397 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 1397 cubic inches would be around 0.9 feet tall.

Recreational maths with 1397

  • 1397 backwards is 7931
  • The number of decimal digits it has is: 4
  • The sum of 1397's digits is 20
  • More coming soon!

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The information we have on file for 1397 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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