Wolfram Language & System 11.0 (2016)|Legacy Documentation

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gives the Möbius function .


  • Integer mathematical function, suitable for both symbolic and numerical manipulation.
  • is if n is a product of an even number of distinct primes, if it is a product of an odd number of primes, and if it has a multiple prime factor.
  • MoebiusMu automatically threads over lists.
Introduced in 1988