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143 (number)

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143 (number)

142 143 144
Cardinal one hundred forty-three
Ordinal 143rd
(one hundred and forty-third)
Factorization 11 × 13
Divisors 1, 11, 13, 143
Roman numeral CXLIII
Binary 100011112
Ternary 120223
Quaternary 20334
Quinary 10335
Senary 3556
Octal 2178
Duodecimal BB12
Hexadecimal 8F16
Vigesimal 7320
Base 36 3Z36

143 (one hundred [and] forty-three) is the natural number following 142 and preceding 144.

Contents

  • In mathematics 1
  • In the military 2
  • In transportation 3
  • In media 4
  • In popular culture 5
  • In other fields 6
  • See also 7
  • References 8
  • External links 9

In mathematics

143 is the sum of seven consecutive primes (11 + 13 + 17 + 19 + 23 + 29 + 31). But this number is never the sum of an integer and its base 10 digits, making it a self number.

Every positive integer is the sum of at most 143 seventh powers (see Waring's problem).

143 is the difference in the first exception to the pattern shown below:

3^2+4^2=5^2
3^3+4^3+5^3=6^3
3^4+4^4+5^4+6^4=7^4-143.

In the military

In transportation

In media

  • 143 (film), a 2004 Indian film
  • Musicians Ray J and Bobby Brackins wrote the song "143"
  • On Mister Rogers' Neighborhood: "Transformations", 143 is used to mean "I love you". 1 meaning I for 1 letter, 4 meaning Love for the 4 letters, and 3 meaning You for the 3 letters. Reportedly, Fred Rogers maintained his weight at exactly 143 pounds for the last thirty years of his life, and associated the number with the phrase "I love you"[1]

In popular culture

  • A popular pager number to communicate "I love you"

In other fields

143 is also:

See also

References

  1. ^ Hattikutur, Mangkesh. "15 reasons Mr. Rogers was best neighbor ever." http://www.cnn.com/2008/LIVING/wayoflife/07/28/mf.mrrogers.neighbor/ Mental Floss/CNN. 28 Jul 2008.
  2. ^ Nan Cross: Supported men resisting apartheid conscription Sunday Times (South Africa), 2007-07-22, accessed 2009-01-05.

External links

  • The Natural Number 143
  • 143 at Urban Dictionary
  • 143 at Virtual Science
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