1585

1,585 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1585 look like?

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

1585 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 1585:

5 × 317

See below for interesting mathematical facts about the number 1585 from the Numbermatics database.


Names of 1585

  • Cardinal: 1585 can be written as One thousand, five hundred eighty-five.

Scientific notation

  • Scientific notation: 1.585 × 103

Factors of 1585

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 322

Divisors of 1585

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1908
  • Sum of proper divisors (its aliquot sum) s(n): 323
  • 1585 is a deficient number, because the sum of its proper divisors (323) is less than itself. Its deficiency is 1262

Bases of 1585

  • Binary: 110001100012
  • Hexadecimal: 0x631
  • Base-36: 181

Squares and roots of 1585

  • 1585 squared (15852) is 2512225
  • 1585 cubed (15853) is 3981876625
  • The square root of 1585 is 39.8120584747
  • The cube root of 1585 is 11.6594059131

Scales and comparisons

How big is 1585?
  • 1,585 seconds is equal to 26 minutes, 25 seconds.
  • To count from 1 to 1,585 would take you about twenty-six 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 1585 cubic inches would be around 1 feet tall.

Recreational maths with 1585

  • 1585 backwards is 5851
  • The number of decimal digits it has is: 4
  • The sum of 1585's digits is 19
  • More coming soon!

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"Number 1585 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.

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Numbermatics. (2024). Number 1585 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/1585/

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The information we have on file for 1585 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 1585, math, Factors of 1585, curriculum, school, college, exams, university, Prime factorization of 1585, STEM, science, technology, engineering, physics, economics, calculator, one thousand, five hundred eighty-five.

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