106 (one hundred [and] six) is the natural number following 105 and preceding 107.

In mathematics

106 is a centered pentagonal number,[1] a centered heptagonal number,[2] and a regular 19-gonal number.[3] There are 106 mathematical trees with ten vertices.

See also

References

  1. ^ "Sloane's A005891 : Centered pentagonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.
  2. ^ "Sloane's A069099 : Centered heptagonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.
  3. ^ "Sloane's A051871 : 19-gonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.


Allikas: https://en.wikipedia.org/wiki/106_(number)
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