286_(number)

286 (number)

286 (number)

Natural number

286 is the natural number following 285 and preceding 287.

Quick Facts ← 285 286 287 →, Cardinal ...

In mathematics

World Records

  • On November 7, 2013, Alastair Galpin received the Guinness World Record for the fastest time to slice 10 matches in half. He completed it in 2.86 seconds.[6]
  • On April 27, 2013, the largest tiramisu-making lesson ensued in Japan with 286 participants.[7]
  • On September 21, 2007, the largest steel drum ensemble was achieved in Poznan, Poland. There were 286 members.[8]
  • On November 12, 2017, Toyota achieved the Guinness World Record for the greatest number of toy cars launched simultaneously. There were 286 toy cars.[9]

Other fields

References

  1. [1]
    "Composite numbers". mathworld.wolfram.com.
  2. [2]
    Sloane, N. J. A. (ed.). "Sequence A039772 (Even numbers k such that phi(k) and k-1 are distinct and have a common factor > 1)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. [3]
    "Tetrahedral numbers". mathworld.wolfram.com.
  4. [4]
    "Sphenic numbers". mathworld.wolfram.com.
  5. [5]
    Sloane, N. J. A. (ed.). "Sequence A130433 (Even pseudoprimes to base 3)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  6. [6]
    "2.86 seconds to halve 10 matches". www.guinnessworldrecords.com.
  7. [7]
    "286 people at a tiramisu-making lesson". www.guinnessworldrecords.com.
  8. [8]
    "286 people in a steel drum ensemble". www.guinnessworldrecords.com.
  9. [9]
    "286 toy cars released at the same time". www.guinnessworldrecords.com.
  10. [10]
    "286 Iclea". in-the-sky.org.
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