Harmonics 73–146

← 72afdo

73afdo

74afdo →

Prime factorization	73 (prime)
Dual sharp fifth	110/73 (709.842c)
Dual flat fifth	109/73 (694.031c)

73afdo (arithmetic frequency division of the octave), or 73odo (otonal division of the octave), divides the octave into 73 parts of 1/73 each. It is a superset of 72afdo and a subset of 74afdo. As a scale it may be known as mode 73 of the harmonic series or the Over-73 scale.

Scales

• Porcuprime^{[idiosyncratic term]}