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What is special about number 17?

What is special about number 17?. the lowest number that can be written as A 3 + B 2 in 2 distinct ways: 17 = 2 3 + 3 2 and 17 = 1 3 + 4 2 7 th prime number and the only prime of the form p q + q p , where p and q are prime: 17 = 2 3 + 3 2.

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What is special about number 17?

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  1. What is specialaboutnumber 17?

  2. the lowest number that can be written as A3 + B2 in 2 distinct ways:17 = 23 + 32 and 17 = 13 + 42 • 7th prime number and the only prime of the form pq + qp, where p and q are prime: 17 = 23 + 32

  3. the sum of 4 consecutive primes:17 = 2 + 3 + 5 + 7 • There are seventeen 17 in the first thousand digits of pi's decimal expansion.

  4. In history • One of the earliest mentioning of the number 17 was by the Egyptians • Henri IV celebrated his wedding a second time on December 17, 1600. His wife arrived with 5000 Italians in 17 galleys. • Tutankhamen was wrapped in 17 sheets.

  5. Shakespeare wrote 17 comedies in 17th century. • Queen Anne of Great Britain had 17 children

  6. UNLUCKY? • Most Italians believe that 17 is unlucky • InItaly, buildings do nothave a 17th floor • hotels do nothave a room 17 • Alitalia airplanes have no 17th row • When Renault marketedits R17 andwanted to export it to Italy, it had to berenamed "Renault 177“

  7. News Items • In 1992, man had killed 17 people and kept their remains in his apartment • On July 17, 1996 in France: It took 17 years to a British woman to realize that her husband actually was a woman, who used “an artificial penis” • On November 17, 1996: Istanbul: 17 people killed in a fire; bomb attack in Daguestan: 17 people killed.

  8. Two of the most important earthquakes occurred on January 17: • 1994 in California (Los Angeles) • 1995 in Japan.

  9. Records • The world record of sitting in ketchup is 17 hours • In 1087, Hideaki Tomoyori recited 40 000 digits of pi in 17 hours. • The bridge Vasco da Gama in Portugal, the most important of Europe, is 17-km long.

  10. In music “… well, she was just seventeen if you know what I mean…” “Seventeen forever”

  11. “…well you’re just 17 and all you want to do is disappear…” “Seventeen days” “…you are the dancing queen, young and sweet, only 17…”

  12. “17 days” by Prince “17” by Kings of Leon

  13. In film

  14. Literature • www.ridingthebeast.com/numbers/nu17.php • www.virtualscience.com/17.html • www.vinc17.org/d17_eng.html

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