399edo
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Prime factorization
3 × 7 × 19
Step size
3.00752¢
Fifth
233\399 (700.752¢)
Semitones (A1:m2)
35:32 (105.3¢ : 96.24¢)
Dual sharp fifth
234\399 (703.759¢) (→78\133)
Dual flat fifth
233\399 (700.752¢)
Dual major 2nd
68\399 (204.511¢)
Consistency limit
7
Distinct consistency limit
7
| ← 398edo | 399edo | 400edo → |
399 equal divisions of the octave (abbreviated 399edo or 399ed2), also called 399-tone equal temperament (399tet) or 399 equal temperament (399et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 399 equal parts of about 3.01 ¢ each. Each step represents a frequency ratio of 21/399, or the 399th root of 2.
Harmonics
| Harmonic | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | -1.20 | -1.35 | -0.40 | +0.60 | -0.94 | -1.43 | +0.45 | +0.31 | +0.23 | +1.40 | +0.30 |
| Relative (%) | -40.0 | -44.9 | -13.5 | +20.0 | -31.3 | -47.5 | +15.1 | +10.2 | +7.7 | +46.5 | +9.9 | |
| Steps (reduced) |
632 (233) |
926 (128) |
1120 (322) |
1265 (68) |
1380 (183) |
1476 (279) |
1559 (362) |
1631 (35) |
1695 (99) |
1753 (157) |
1805 (209) | |
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