1861edo
← 1860edo | 1861edo | 1862edo → |
Theory
1861et tempers out 369140625/369098752, 537109375/536870912 and 3025/3024 in the 11-limit; 1181640625/1181599328, 225000/224939, 78125/78078, 1610510000/1610497161, 8859375/8859136, 4096/4095, 196625/196608, 405769/405504, 10549994/10546875 and 91182091/91125000 in the 13-limit.
Odd harmonics
Harmonic | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | +0.248 | -0.070 | -0.314 | -0.149 | -0.001 | +0.311 | +0.178 | +0.149 | -0.253 | -0.066 | -0.225 |
Relative (%) | +38.5 | -10.8 | -48.8 | -23.0 | -0.2 | +48.2 | +27.7 | +23.2 | -39.3 | -10.3 | -34.9 | |
Steps (reduced) |
2950 (1089) |
4321 (599) |
5224 (1502) |
5899 (316) |
6438 (855) |
6887 (1304) |
7271 (1688) |
7607 (163) |
7905 (461) |
8174 (730) |
8418 (974) |
Subsets and supersets
1861edo is the 284th prime edo.
Regular temperament properties
Subgroup | Comma List | Mapping | Optimal 8ve Stretch (¢) |
Tuning Error | |
---|---|---|---|---|---|
Absolute (¢) | Relative (%) | ||||
2.3 | [2950 -1861⟩ | ⟨1861 2950] | -0.0783 | 0.0783 | 12.14 |
2.3.5 | [57 -55 13⟩, [91 -12 -31⟩ | ⟨1861 2950 4321] | -0.0422 | 0.0818 | 12.69 |
2.3.5.7 | 95703125/95551488, 359661568/358722675, 160163466183/160000000000 | ⟨1861 2950 4321 5224] | -0.0036 | 0.0973 | 15.08 |
2.3.5.7.11 | 3025/3024, 19712/19683, 26796875/26763264, 102538515387/102400000000 | ⟨1861 2950 4321 5224 6438] | -0.0028 | 0.0871 | 13.51 |
2.3.5.7.11.13 | 3025/3024, 4096/4095, 4459/4455, 765625/764478, 18302823/18279040 | ⟨1861 2950 4321 5224 6438 6887] | -0.0163 | 0.0850 | 13.18 |
2.3.5.7.11.13.17 | 1225/1224, 2431/2430, 4096/4095, 4459/4455, 42500/42471, 22000363/21970000 | ⟨1861 2950 4321 5224 6438 6887 7607] | -0.0192 | 0.0790 | 12.25 |