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An extended harmony (Posted on 2011-11-01) Difficulty: 3 of 5
How many members of the harmonic series 1+1/2+1/3+1/4+ +1/n are needed to add up close to 10 , without going over it?

No Solution Yet Submitted by Ady TZIDON    
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Implementation in Mathematica. | Comment 4 of 5 |

HarmonicNumber[n] = 10, n=12366.4681065866...

So the closest integer value is 12366.

  Posted by broll on 2011-11-02 05:50:02
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