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279 (number)

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← 278 279 280 →
Cardinaltwo hundred seventy-nine
Ordinal279th
(two hundred seventy-ninth)
Factorization32 × 31
Divisors1, 3, 9, 31, 93, 279
Greek numeralΣΟΘ´
Roman numeralCCLXXIX
Binary1000101112
Ternary1011003
Senary11436
Octal4278
Duodecimal1B312
Hexadecimal11716

279 (two hundred [and] seventy-nine) is the natural number following 278 and preceding 280.

In mathematics

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  • 279 is an odd composite number with two prime factors.[1]
  • Waring’s Conjecture is g(n)=2n+⌊(3/2)n⌋-2. When 8 is plugged in for n, the result is 279. That means that any positive integer can be formed with at most 279 numbers to the 8th power.[2]
  • 279 is the smallest number whose product of digits is 7 times the sum of its digits.
  • 279 can be written as the sum of 4 nonzero perfect squares.[3]

In technology

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  • The area code of 279 was added to the Sacramento metropolitan area in California. It was added to the code of 916 in that area.[4]
  • Tyrosine Kinase 2 Inhibitor or TAK-279 Inhibitor is a mediator of IL12 and IL23. TAK-279 is involved with certain inflammatory diseases like lupus and arthritis. TAK-279 inhibition is a possible way to treat these diseases.[5]

World Records

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Other fields

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References

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  1. ^ "Facts about the integer". mathworld.wolfram.com.
  2. ^ "Waring's Problem and Conjecture". mathworld.wolfram.com.
  3. ^ Sloane, N. J. A. (ed.). "Sequence A004215 (Numbers that are the sum of 4 but no fewer nonzero squares)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  4. ^ "279 area code". www.allareacodes.com.
  5. ^ Leit, Silvana; Greenwood, Jeremy; Carriero, Samantha; Mondal, Sayan; Abel, Robert; Ashwell, Mark; Blanchette, Heather; Boyles, Nicholas A.; Cartwright, Mark; Collis, Alan; Feng, Shulu; Ghanakota, Phani; Harriman, Geraldine C.; Hosagrahara, Vinayak; Kaila, Neelu; Kapeller, Rosanna; Rafi, Salma B.; Romero, Donna L.; Tarantino, Paul M.; Timaniya, Jignesh; Toms, Angela V.; Wester, Ronald T.; Westlin, William; Srivastava, Bhaskar; Miao, Wenyan; Tummino, Peter; McElwee, Joshua J.; Edmondson, Scott D.; Masse, Craig E. (July 10, 2023). "Tyrosine Kinase 2 Inhibitor TAK-279". Journal of Medicinal Chemistry. 66 (15): 10473–10496. doi:10.1021/acs.jmedchem.3c00600. PMID 37427891.
  6. ^ "279 person french horn ensemble". www.guinnessworldrecords.com.
  7. ^ "279 people breaking roof tiles". www.guinnessworldrecords.com.
  8. ^ "2.79 seconds for five three point shots". www.guinnessworldrecords.com.
  9. ^ "2.79 m cake pyramid". www.guinnessworldrecords.com.
  10. ^ "2.79 percent twin rate in Benin by natural birth". www.guinnessworldrecords.com.]
  11. ^ "French Republican Calendar Guide" (PDF). broadcast.lds.org.
  12. ^ "279 Thule information". www.spacereference.org.
  13. ^ "Greenland ice levels". climate.nasa.gov.