1213

1,213 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 1213 look like?

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

1213 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 1213:

1213

See below for interesting mathematical facts about the number 1213 from the Numbermatics database.


Names of 1213

  • Cardinal: 1213 can be written as One thousand, two hundred thirteen.

Scientific notation

  • Scientific notation: 1.213 × 103

Factors of 1213

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 1213

Divisors of 1213

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1214
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 1213 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1212

Bases of 1213

  • Binary: 100101111012
  • Hexadecimal: 0x4BD
  • Base-36: XP

Squares and roots of 1213

  • 1213 squared (12132) is 1471369
  • 1213 cubed (12133) is 1784770597
  • The square root of 1213 is 34.8281495345
  • The cube root of 1213 is 10.6648217295

Scales and comparisons

How big is 1213?
  • 1,213 seconds is equal to 20 minutes, 13 seconds.
  • To count from 1 to 1,213 would take you about twenty 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 1213 cubic inches would be around 0.9 feet tall.

Recreational maths with 1213

  • 1213 backwards is 3121
  • The number of decimal digits it has is: 4
  • The sum of 1213's digits is 7
  • More coming soon!

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The information we have on file for 1213 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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