151edt

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← 150edt 151edt 152edt →
Prime factorization 151 (prime)
Step size 12.5957 ¢ 
Octave 95\151edt (1196.59 ¢)
Consistency limit 3
Distinct consistency limit 3

151 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 151edt or 151ed3), is a nonoctave tuning system that divides the interval of 3/1 into 151 equal parts of about 12.6 ¢ each. Each step represents a frequency ratio of 31/151, or the 151st root of 3.

Intervals

Steps Cents Hekts Approximate ratios
0 0 0 1/1
1 12.6 8.6
2 25.2 17.2
3 37.8 25.8 45/44, 46/45, 47/46
4 50.4 34.4 35/34
5 63 43 57/55
6 75.6 51.7 23/22, 47/45
7 88.2 60.3
8 100.8 68.9
9 113.4 77.5 47/44
10 126 86.1
11 138.6 94.7
12 151.1 103.3
13 163.7 111.9
14 176.3 120.5 41/37, 52/47
15 188.9 129.1 29/26
16 201.5 137.7
17 214.1 146.4 43/38
18 226.7 155
19 239.3 163.6 31/27, 54/47
20 251.9 172.2
21 264.5 180.8
22 277.1 189.4 27/23
23 289.7 198 13/11
24 302.3 206.6 25/21
25 314.9 215.2 6/5
26 327.5 223.8 52/43
27 340.1 232.5 45/37
28 352.7 241.1 38/31, 49/40
29 365.3 249.7 21/17
30 377.9 258.3 46/37, 51/41
31 390.5 266.9
32 403.1 275.5
33 415.7 284.1 47/37
34 428.3 292.7
35 440.9 301.3
36 453.4 309.9
37 466 318.5
38 478.6 327.2 29/22
39 491.2 335.8
40 503.8 344.4
41 516.4 353 31/23
42 529 361.6
43 541.6 370.2 26/19, 41/30
44 554.2 378.8 51/37
45 566.8 387.4 43/31
46 579.4 396
47 592 404.6 38/27
48 604.6 413.2
49 617.2 421.9 10/7
50 629.8 430.5 36/25
51 642.4 439.1
52 655 447.7 54/37
53 667.6 456.3 25/17
54 680.2 464.9 37/25
55 692.8 473.5
56 705.4 482.1
57 718 490.7
58 730.6 499.3 29/19
59 743.1 507.9
60 755.7 516.6
61 768.3 525.2
62 780.9 533.8
63 793.5 542.4
64 806.1 551 43/27
65 818.7 559.6
66 831.3 568.2
67 843.9 576.8
68 856.5 585.4 41/25
69 869.1 594 38/23
70 881.7 602.6
71 894.3 611.3 52/31
72 906.9 619.9
73 919.5 628.5 17/10
74 932.1 637.1 12/7
75 944.7 645.7 19/11
76 957.3 654.3 33/19
77 969.9 662.9 7/4
78 982.5 671.5 30/17
79 995.1 680.1
80 1007.7 688.7
81 1020.3 697.4
82 1032.8 706
83 1045.4 714.6
84 1058 723.2
85 1070.6 731.8
86 1083.2 740.4 43/23
87 1095.8 749
88 1108.4 757.6 55/29
89 1121 766.2
90 1133.6 774.8 52/27
91 1146.2 783.4
92 1158.8 792.1 41/21, 43/22
93 1171.4 800.7 57/29
94 1184 809.3
95 1196.6 817.9
96 1209.2 826.5
97 1221.8 835.1
98 1234.4 843.7 49/24, 51/25
99 1247 852.3 37/18
100 1259.6 860.9
101 1272.2 869.5 25/12
102 1284.8 878.1 21/10
103 1297.4 886.8 55/26
104 1310 895.4
105 1322.6 904
106 1335.1 912.6
107 1347.7 921.2 37/17
108 1360.3 929.8 57/26
109 1372.9 938.4
110 1385.5 947
111 1398.1 955.6
112 1410.7 964.2 52/23
113 1423.3 972.8
114 1435.9 981.5
115 1448.5 990.1
116 1461.1 998.7
117 1473.7 1007.3
118 1486.3 1015.9
119 1498.9 1024.5
120 1511.5 1033.1
121 1524.1 1041.7 41/17
122 1536.7 1050.3 17/7
123 1549.3 1058.9
124 1561.9 1067.5 37/15
125 1574.5 1076.2
126 1587.1 1084.8 5/2
127 1599.7 1093.4
128 1612.3 1102 33/13
129 1624.8 1110.6 23/9
130 1637.4 1119.2
131 1650 1127.8
132 1662.6 1136.4 47/18
133 1675.2 1145
134 1687.8 1153.6
135 1700.4 1162.3
136 1713 1170.9
137 1725.6 1179.5
138 1738.2 1188.1
139 1750.8 1196.7
140 1763.4 1205.3
141 1776 1213.9
142 1788.6 1222.5
143 1801.2 1231.1
144 1813.8 1239.7
145 1826.4 1248.3
146 1839 1257 55/19
147 1851.6 1265.6
148 1864.2 1274.2 44/15
149 1876.8 1282.8
150 1889.4 1291.4
151 1902 1300 3/1

Harmonics

Approximation of harmonics in 151edt
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -3.41 +0.00 +5.78 -2.66 -3.41 -5.77 +2.38 +0.00 -6.06 +5.27 +5.78
Relative (%) -27.0 +0.0 +45.9 -21.1 -27.0 -45.8 +18.9 +0.0 -48.1 +41.9 +45.9
Steps
(reduced)
95
(95)
151
(0)
191
(40)
221
(70)
246
(95)
267
(116)
286
(135)
302
(0)
316
(14)
330
(28)
342
(40)
Approximation of harmonics in 151edt
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +5.76 +3.42 -2.66 -1.03 -5.22 -3.41 +3.76 +3.13 -5.77 +1.87 +0.48
Relative (%) +45.8 +27.2 -21.1 -8.2 -41.4 -27.0 +29.8 +24.8 -45.8 +14.8 +3.8
Steps
(reduced)
353
(51)
363
(61)
372
(70)
381
(79)
389
(87)
397
(95)
405
(103)
412
(110)
418
(116)
425
(123)
431
(129)