54:64:81
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| Harmonics | 54:64:81 |
| Subharmonics | 1/(96:81:64) |
| Intervals from root | 1/1 – 32/27 – 3/2 |
| Cents from root | 0¢ 294¢ 702¢ |
| Step intervals | 32/27, 81/64 |
| Step cents | 294¢, 408¢ |
| Prime limit | 3 |
| Genus | 34 (81) |
| Intervallic odd limit | 81 |
| Otonal odd limit | 81 |
| Utonal odd limit | 81 |
54:64:81, is a minor triad found on the ii, iii, and vi of the 3-limit diatonic scale.
In meantone this chord is tempered together with both 10:12:15 and 27:32:40, so it may be considered a 3-limit approximation of those chords, or a chord in its own right with a less-stable third. Unlike 10:12:15, 54:64:81 is ambitonal.