149ed4

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← 147ed4149ed4151ed4 →
Prime factorization 149 (prime)
Step size 16.1074¢ 
Octave 75\149ed4 (1208.05¢)
Twelfth 118\149ed4 (1900.67¢)
Consistency limit 1
Distinct consistency limit 1

149 equal divisions of the 4th harmonic (abbreviated 149ed4) is a nonoctave tuning system that divides the interval of 4/1 into 149 equal parts of about 16.1 ¢ each. Each step represents a frequency ratio of 41/149, or the 149th root of 4.

Intervals

Steps Cents Approximate Ratios
0 0 1/1
1 16.107
2 32.215 55/54
3 48.322
4 64.43
5 80.537
6 96.644 37/35
7 112.752
8 128.859 14/13
9 144.966 25/23
10 161.074 45/41
11 177.181 41/37, 51/46
12 193.289 47/42
13 209.396 35/31
14 225.503 49/43
15 241.611 54/47
16 257.718 29/25
17 273.826 41/35
18 289.933 13/11
19 306.04 37/31
20 322.148 47/39
21 338.255 45/37
22 354.362
23 370.47
24 386.577
25 402.685 29/23
26 418.792 14/11
27 434.899 9/7
28 451.007
29 467.114 38/29, 55/42
30 483.221 41/31
31 499.329
32 515.436 31/23
33 531.544
34 547.651
35 563.758 18/13
36 579.866
37 595.973 55/39
38 612.081 47/33
39 628.188
40 644.295 45/31
41 660.403
42 676.51
43 692.617
44 708.725
45 724.832 38/25
46 740.94 23/15
47 757.047
48 773.154
49 789.262
50 805.369 43/27
51 821.477
52 837.584
53 853.691 18/11
54 869.799 38/23
55 885.906 5/3
56 902.013
57 918.121 17/10
58 934.228
59 950.336
60 966.443
61 982.55 30/17
62 998.658
63 1014.765
64 1030.872 49/27
65 1046.98
66 1063.087
67 1079.195
68 1095.302
69 1111.409
70 1127.517
71 1143.624
72 1159.732 41/21
73 1175.839
74 1191.946
75 1208.054
76 1224.161
77 1240.268 43/21
78 1256.376 31/15
79 1272.483
80 1288.591
81 1304.698
82 1320.805 15/7
83 1336.913
84 1353.02
85 1369.128
86 1385.235
87 1401.342
88 1417.45
89 1433.557
90 1449.664
91 1465.772 7/3
92 1481.879
93 1497.987
94 1514.094
95 1530.201
96 1546.309
97 1562.416 37/15
98 1578.523
99 1594.631
100 1610.738 38/15
101 1626.846
102 1642.953
103 1659.06
104 1675.168
105 1691.275
106 1707.383
107 1723.49 46/17
108 1739.597 41/15
109 1755.705
110 1771.812
111 1787.919
112 1804.027 17/6
113 1820.134
114 1836.242
115 1852.349
116 1868.456 50/17
117 1884.564
118 1900.671 3/1
119 1916.779
120 1932.886 55/18
121 1948.993
122 1965.101
123 1981.208
124 1997.315
125 2013.423
126 2029.53 42/13
127 2045.638
128 2061.745
129 2077.852
130 2093.96
131 2110.067
132 2126.174
133 2142.282 31/9
134 2158.389
135 2174.497
136 2190.604 39/11
137 2206.711
138 2222.819
139 2238.926 51/14
140 2255.034
141 2271.141
142 2287.248
143 2303.356
144 2319.463 42/11
145 2335.57 27/7
146 2351.678 35/9
147 2367.785 51/13, 55/14
148 2383.893
149 2400

Harmonics

Approximation of harmonics in 149ed4
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +8.05 -1.28 +0.00 +0.26 +6.77 -2.38 +8.05 -2.57 -7.79 +4.39 -1.28
Relative (%) +50.0 -8.0 +0.0 +1.6 +42.0 -14.8 +50.0 -15.9 -48.4 +27.2 -8.0
Steps
(reduced)
75
(75)
118
(118)
149
(0)
173
(24)
193
(44)
209
(60)
224
(75)
236
(87)
247
(98)
258
(109)
267
(118)
Approximation of harmonics in 149ed4
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +5.11 +5.67 -1.02 +0.00 +7.80 +5.49 -7.58 +0.26 -3.67 -3.67 -0.09
Relative (%) +31.7 +35.2 -6.3 +0.0 +48.4 +34.1 -47.1 +1.6 -22.8 -22.8 -0.5
Steps
(reduced)
276
(127)
284
(135)
291
(142)
298
(0)
305
(7)
311
(13)
316
(18)
322
(24)
327
(29)
332
(34)
337
(39)