Girish Mahajan (Editor)

313 (number)

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313
  
314 →

Factorization
  
313

Cardinal
  
three hundred thirteen

Roman numeral
  
CCCXIII

Ordinal
  
313th (three hundred and thirteenth)

Prime
  
twin prime, palindromic prime

313 is an integer following 312 and preceding 314.

Contents

In mathematics

313 is:

  • a prime number
  • a twin prime with 311
  • a centered square number
  • a full reptend prime (smallest prime which is full reptend prime in base 10 but not in base 2 to 9)
  • a pythagorean prime
  • a regular prime
  • a palindromic prime in both decimal and binary.
  • a truncatable prime
  • a weakly prime in base 5
  • a happy number
  • an Armstrong number - in base 4 ( 3×42 + 1×41 + 3×40 = 33 + 13 + 33 )

    • Religious significance

    In Twelver Shia Islam mysticism, 313 is the number of soldiers in the army of the 12th "hidden Imam" (Mahdi). when he returns to fight the Jews and install his reign.

    The number 313 is the U.S. telephone area code for the city of Detroit and nearby locales.

    Frame 313 of the Zapruder film shows the moment of impact for the bullet that killed President John F. Kennedy.

    Donald Duck's car plate bears the number 313.

    The sixth track of the album Get Some (album) by Snot (band) is called 313.

    References

    313 (number) Wikipedia
    (Text) CC BY-SA


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