FACTOID # 115: American planes take-off a staggering 8.5 million times per year - almost half the number of take-offs worldwide.
 
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Encyclopedia > Centered cube number

A centered cube number is a centered figurate number that represents a cube. The centered cube number for n is given by the equation


n3 + (n + 1)3


The first few centered cube numbers are


1, 9, 35, 91, 189, 341, 559, 855, 1241, 1729, 2331, 3059, 3925, 4941, 6119, 7471, 9009, 10745, 12691, 14859, 17261, 19909, 22815, 25991, 29449, 33201, 37259, 41635, 46341, 51389, 56791, 62559, 68705, 75241, 82179, 89531, 97309, 105525


Centered cube numbers have applications in modelling the shells of atoms.




  Results from FactBites:
 
91 (number) - Wikipedia, the free encyclopedia (344 words)
Ninety-one is a triangular number and a hexagonal number, one of the few such numbers to also be a centered hexagonal number, and it is also a centered nonagonal number and a centered cube number.
The Saros number of the solar eclipse series which began on August 6, 159 BC and ended on 1175 October 16.
The jersey number worn by Dennis Rodman with the Chicago Bulls and Tim Spooneybarger with the Florida Marlins.
  More results at FactBites »


 

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