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Line 1: ~~[[Category:Mathematics]]~~ [[Category:Number theory]] In [[number theory]], an '''additive function''' is an [[arithmetic function]] ''f''(''n'') of the positive [[integer]] ''n'' such that whenever ''a'' and ''b'' are [[coprime]] we have: :''f''(''ab'') = ''f''(''a'') + ''f''(''b'').

Additive function: Difference between revisions