18afdo

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← 17afdo 18afdo 19afdo →
Prime factorization 2 × 32
Fifth 27/18 (701.955c)

18afdo (arithmetic frequency division of the octave), or 18odo (otonal division of the octave), divides the octave into 18 parts of 1/18 each. It is a superset of 17afdo and a subset of 19afdo. As a scale it may be known as mode 18 of the harmonic series or the Over-18 scale.