What is harmonic mean - Definition and Meaning

Harmonic Mean :

The Harmonic Mean of a set is the number of items divided by the sum of its reciprocal numbers.

Formula :

Example :

A set = {2,4,6}. Sum of reciprocal = 1/2 + 1/4 + 1/6 = (6+3+2)/12 = 11/12. Harmonic Mean = 3 / (11/12) = (3*12) / 11 = 3.2727

Happy Number Harmonic Progression (Sequence)

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