**Wavelengths**** and Frequencies - Octave Relations of Russell's Indig Number System**

Indig | Vol. Units | Vol. Calc | Wavelength | Example | Octave | Note |

4 | 1 | 1 ^{3} | 1 | 1 cps | 4 | G as 4th octave |

3 | 8 | 2 ^{3} | 2 | 1/2 cps | 3 | F as 3rd octave |

2 | 64 | 4 ^{3} | 4 | 1/4 cps | 2 | E as 2nd octave |

1 | 512 | 8 ^{3} | 8 | 1/8 ccps | 1 | D as 1st octave |

0 | C## non-octave |

**Table 12.02.01 - Wavelengths and Frequencies**

See Also

**arithmetical progression**
**Frequency**
**Geometrical Progression**
**Laws of Being**
**progression**
**Ratio**
**Reciprocal**
**Reciprocating Proportionality**
**Square Law**
**Table 12.02 - Length Area and Volume Math**
**Tone**
**Volume**
**wave number**
**Wavelength**
**12.00 - Reciprocating Proportionality**
**12.18 - Multiple Octave Progression**