430edo
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Prime factorization
2 × 5 × 43
Step size
2.7907¢
Fifth
252\430 (703.256¢) (→126\215)
Semitones (A1:m2)
44:30 (122.8¢ : 83.72¢)
Dual sharp fifth
252\430 (703.256¢) (→126\215)
Dual flat fifth
251\430 (700.465¢)
Dual major 2nd
73\430 (203.721¢)
Consistency limit
3
Distinct consistency limit
3
| ← 429edo | 430edo | 431edo → |
430 equal divisions of the octave (abbreviated 430edo or 430ed2), also called 430-tone equal temperament (430tet) or 430 equal temperament (430et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 430 equal parts of about 2.79 ¢ each. Each step represents a frequency ratio of 21/430, or the 430th root of 2.
Harmonics
| Harmonic | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | +1.30 | -1.20 | -0.45 | -0.19 | +1.24 | -0.53 | +0.10 | +1.09 | +1.09 | +0.85 | -0.37 |
| Relative (%) | +46.6 | -42.9 | -16.3 | -6.8 | +44.4 | -18.9 | +3.7 | +39.1 | +39.1 | +30.4 | -13.2 | |
| Steps (reduced) |
682 (252) |
998 (138) |
1207 (347) |
1363 (73) |
1488 (198) |
1591 (301) |
1680 (390) |
1758 (38) |
1827 (107) |
1889 (169) |
1945 (225) | |
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