Subharmonics 16–32
| Prime factorization | 24 |
| Dual sharp fifth | 32/21 (729.219c) |
| Dual flat fifth | 32/22 (648.682c) |
The subharmonics 16–32 are a scale that consists of subharmonics 16 through 32 of the subharmonic series. Above the root they form the ratios 32/32, 32/31, …, 32/16 and repeat at the octave. Used as a tuning system, it is also called 16ifdo. The inverse consists of harmonics 16–32.
Intervals
| # | Cents | Ratio | Interval name | Audio |
|---|---|---|---|---|
| 0 | 0.00 | 1/1 | perfect unison | |
| 1 | 54.964 | 32/31 | small tricesimoprimal quartertone | |
| 2 | 111.731 | 16/15 | just diatonic semitone | |
| 3 | 170.423 | 32/29 | vicesimononal submajor second | |
| 4 | 231.174 | 8/7 | septimal major second | |
| 5 | 294.135 | 32/27 | Pythagorean minor third | |
| 6 | 359.472 | 16/13 | (greater) tridecimal neutral third | |
| 7 | 427.373 | 32/25 | classic(al) diminished fourth | |
| 8 | 498.045 | 4/3 | just perfect fourth | |
| 9 | 571.726 | 32/23 | vicesimotertial narrow tritone | |
| 10 | 648.682 | 16/11 | undecimal subfifth | |
| 11 | 729.219 | 32/21 | septimal superfifth | |
| 12 | 813.686 | 8/5 | just minor sixth | |
| 13 | 902.487 | 32/19 | utonal major sixth | |
| 14 | 996.090 | 16/9 | Pythagorean minor seventh | |
| 15 | 1095.045 | 32/17 | septendecimal major seventh | |
| 16 | 1200.000 | 2/1 | octave |
Music
| View • Talk • EditUndertone scales | |
|---|---|
| Small modes | 3 • 11 • 16 • 18 |
| Families | 3/: 3 • 18 |
| Related | Subharmonic series • Harmonic series • Overtone scale • Ringer scale |