5:6:7:9
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| Harmonics | 5:6:7:9 |
| Subharmonics | 1/(126:105:90:70) |
| Intervals from root | 1/1 – 6/5 – 7/5 – 9/5 |
| Cents from root | 0¢ 316¢ 583¢ 1018¢ |
| Step intervals | 6/5, 7/6, 9/7 |
| Step cents | 316¢, 267¢, 435¢ |
| Prime limit | 7 |
| Genus | 32 ⋅ 5 ⋅ 7 (315) |
| Intervallic odd limit | 9 |
| Otonal odd limit | 9 |
| Utonal odd limit | 105 |
5:6:7:9 is a concordant 7-limit interpretation of the half-diminished seventh chord found in the Ringer 5 scale.
In archytas temperament, this chord is tempered together with 45:54:64:81.