279 (number)

From HandWiki
Short description: Natural number
← 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
Quaternary101134
Quinary21045
Senary11436
Octal4278
Duodecimal1B312
Hexadecimal11716
VigesimalDJ20
Base 367R36

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

In mathematics

  • 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

  • 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

  • On March 1, 2019, Benjamin Comparot and Carnival du Cor received the Guinness World Record for the largest French horn ensemble. It contained 279 people.[6]
  • On October 6, 2023, EO Discover Okinawa had 279 people we simultaneously breaking roof tiles as a multi-day event.[7]
  • On February 21, 2017? Dude Perfect achieved the Guinness World Record for the fastest time to make 5 3 point basketball shots in a time of 2.79 seconds.[8]
  • On November 11, 2016, the tallest cake pyramid was built by Stratford University. It reached a total height of 2.79m.[9]
  • In 2011, according to Twinning across the Developing World, Benin has the greatest rate of twins. It has 279 twins per 10000 births. Although some countries have a greater rate, this study is done without modern medicine.[10]

Other fields

References

  1. "Facts about the integer". https://mathworld.wolfram.com/CompositeNumber.html. 
  2. "Waring's Problem and Conjecture". https://mathworld.wolfram.com/WaringsProblem.html. 
  3. Sloane, N. J. A., ed. "Sequence A004215 (Numbers that are the sum of 4 but no fewer nonzero squares)". OEIS Foundation. https://oeis.org/A004215. 
  4. "279 area code". https://www.allareacodes.com/279. 
  5. Leit, Silvana; Greenwood, Jeremy; Carriero, Samantha; Mondal, Sayan; Abel, Robert; Ashwell, Mark; Blanchette, Heather; Boyles, Nicholas A. et al. (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. https://pubs.acs.org/doi/abs/10.1021/acs.jmedchem.3c00600. 
  6. "279 person french horn ensemble". https://www.guinnessworldrecords.com/world-records/largest-french-horn-ensemble. 
  7. "279 people breaking roof tiles". https://www.guinnessworldrecords.com/world-records/741996-most-people-breaking-roof-tiles-simultaneously. 
  8. "2.79 seconds for five three point shots". https://www.guinnessworldrecords.com/world-records/462753-fastest-time-to-make-five-basketball-three-point-shots-by-a-team. 
  9. "2.79 m cake pyramid". https://www.guinnessworldrecords.com/world-records/tallest-cake-pyramid. 
  10. "2.79 percent twin rate in Benin by natural birth". https://www.guinnessworldrecords.com/world-records/383190-highest-natural-twinning-rate-country. ]
  11. "French Republican Calendar Guide". https://broadcast.lds.org/elearning/FHD/Community/en/FamilySearch/Handwriting/French/Lesson2/Handouts/French_Republican_Calendar.pdf. 
  12. "279 Thule information". https://www.spacereference.org/asteroid/279-thule-a888-ua. 
  13. "Greenland ice levels". https://climate.nasa.gov/evidence/.