424edo
| ← 423edo | 424edo | 425edo → |
Theory
424et is consistent to the 9-odd-limit and the harmonic 5 is halfway between its steps. It tempers out 32805/32768 in the 5-limit; 184528125/184473632, 2460375/2458624, 1280000000/1275989841, 2401/2400 and 5250987/5242880 in the 7-limit, supporting enki.
Odd harmonics
| Harmonic | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | -0.07 | -1.41 | -0.90 | -0.14 | +0.57 | +0.04 | +1.35 | -0.24 | -0.34 | -0.97 | +0.03 |
| Relative (%) | -2.4 | -49.8 | -31.8 | -4.8 | +20.1 | +1.4 | +47.8 | -8.4 | -12.1 | -34.3 | +1.0 | |
| Steps (reduced) |
672 (248) |
984 (136) |
1190 (342) |
1344 (72) |
1467 (195) |
1569 (297) |
1657 (385) |
1733 (37) |
1801 (105) |
1862 (166) |
1918 (222) | |
Subsets and supersets
424 factors into 23 × 53, with subset edos Template:2, 4, 8, 53, 106, and 212. 848edo, which doubles it, gives a good correction to the harmonic 11.
Regular temperament properties
| Subgroup | Comma List | Mapping | Optimal 8ve Stretch (¢) |
Tuning Error | |
|---|---|---|---|---|---|
| Absolute (¢) | Relative (%) | ||||
| 2.3 | [-84 53⟩ | [⟨424 672]] | 0.0215 | 0.0215 | 0.76 |