8:10:12:15
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| Harmonics | 8:10:12:15 |
| Subharmonics | 1/(15:12:10:8) |
| Intervals from root | 1/1 – 5/4 – 3/2 – 15/8 |
| Cents from root | 0¢ 386¢ 702¢ 1088¢ |
| Step intervals | 5/4, 6/5, 5/4 |
| Step cents | 386¢, 316¢, 386¢ |
| Prime limit | 5 |
| Genus | 3 ⋅ 5 (15) |
| Intervallic odd limit | 15 |
| Otonal odd limit | 15 |
| Utonal odd limit | 15 |
8:10:12:15 is a major seventh chord found on the I (1⁄1) and IV (4⁄3) of Ptolemy's intense diatonic scale (Zarlino), perhaps the most common 5-limit diatonic.