128:160:180:225
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| Harmonics | 128:160:180:225 |
| Subharmonics | 1/(225:180:160:128) |
| Intervals from root | 1/1 – 5/4 – 45/32 – 225/128 |
| Cents from root | 0¢ 386¢ 590¢ 977¢ |
| Step intervals | 5/4, 9/8, 5/4 |
| Step cents | 386¢, 204¢, 386¢ |
| Prime limit | 5 |
| Genus | 32 ⋅ 52 (225) |
| Intervallic odd limit | 225 |
| Otonal odd limit | 225 |
| Utonal odd limit | 225 |
128:160:180:225, a French sixth chord, is found rooted on ♭II (16⁄15) and ♭VI (8⁄5) in the duodene.
It is an inversion of 180:225:256:320, a dominant seventh flat five chord.