104edt

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← 103edt 104edt 105edt →
Prime factorization 23 × 13
Step size 18.288¢ 
Octave 66\104edt (1207.01¢) (→33\52edt)
Consistency limit 2
Distinct consistency limit 2

104 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 104edt or 104ed3), is a nonoctave tuning system that divides the interval of 3/1 into 104 equal parts of about 18.3 ¢ each. Each step represents a frequency ratio of 31/104, or the 104th root of 3.

Intervals

Steps Cents Approximate ratios
0 0 1/1
1 18.288
2 36.576
3 54.864 31/30
4 73.152
5 91.44 19/18, 39/37
6 109.728 33/31
7 128.016 14/13
8 146.304 37/34
9 164.592 11/10
10 182.88 10/9
11 201.168 46/41
12 219.456 42/37
13 237.744 31/27, 39/34
14 256.032 22/19
15 274.32 34/29
16 292.608
17 310.896
18 329.185 23/19
19 347.473 11/9
20 365.761 21/17
21 384.049
22 402.337 29/23
23 420.625 37/29
24 438.913
25 457.201 43/33
26 475.489
27 493.777
28 512.065 39/29
29 530.353 19/14
30 548.641
31 566.929 43/31
32 585.217
33 603.505
34 621.793 43/30
35 640.081 42/29
36 658.369 19/13, 41/28
37 676.657 34/23
38 694.945
39 713.233
40 731.521 29/19
41 749.809
42 768.097
43 786.385 41/26
44 804.673 43/27
45 822.961 37/23
46 841.249
47 859.537 23/14
48 877.825
49 896.113
50 914.401 39/23
51 932.689
52 950.978
53 969.266
54 987.554 23/13
55 1005.842 34/19
56 1024.13
57 1042.418 31/17, 42/23
58 1060.706
59 1078.994 41/22
60 1097.282
61 1115.57
62 1133.858
63 1152.146 37/19
64 1170.434
65 1188.722
66 1207.01
67 1225.298
68 1243.586 39/19, 41/20
69 1261.874 29/14
70 1280.162
71 1298.45
72 1316.738
73 1335.026
74 1353.314
75 1371.602 42/19
76 1389.89 29/13
77 1408.178
78 1426.466 41/18
79 1444.754
80 1463.042
81 1481.33
82 1499.618
83 1517.906
84 1536.194 17/7
85 1554.482 27/11
86 1572.77
87 1591.059
88 1609.347
89 1627.635
90 1645.923
91 1664.211 34/13
92 1682.499 37/14
93 1700.787
94 1719.075 27/10
95 1737.363 30/11
96 1755.651
97 1773.939 39/14
98 1792.227 31/11
99 1810.515 37/13
100 1828.803
101 1847.091
102 1865.379
103 1883.667
104 1901.955 3/1

Harmonics

Approximation of harmonics in 104edt
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +7.01 +0.00 -4.27 -6.53 +7.01 -3.83 +2.74 +0.00 +0.48 +0.06 -4.27
Relative (%) +38.3 +0.0 -23.3 -35.7 +38.3 -20.9 +15.0 +0.0 +2.6 +0.4 -23.3
Steps
(reduced)
66
(66)
104
(0)
131
(27)
152
(48)
170
(66)
184
(80)
197
(93)
208
(0)
218
(10)
227
(19)
235
(27)
Approximation of harmonics in 104edt
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +3.46 +3.18 -6.53 -8.54 -3.76 +7.01 +4.85 +7.49 -3.83 +7.07 +3.27
Relative (%) +18.9 +17.4 -35.7 -46.7 -20.6 +38.3 +26.5 +40.9 -20.9 +38.7 +17.9
Steps
(reduced)
243
(35)
250
(42)
256
(48)
262
(54)
268
(60)
274
(66)
279
(71)
284
(76)
288
(80)
293
(85)
297
(89)