61ed7/3

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← 60ed7/3 61ed7/3 62ed7/3 →
Prime factorization 61 (prime)
Step size 24.0471¢ 
Octave 50\61ed7/3 (1202.35¢)
Twelfth 79\61ed7/3 (1899.72¢)
Consistency limit 10
Distinct consistency limit 9

61 equal divisions of 7/3 (abbreviated 61ed7/3) is a nonoctave tuning system that divides the interval of 7/3 into 61 equal parts of about 24⁠ ⁠¢ each. Each step represents a frequency ratio of (7/3)1/61, or the 61st root of 7/3.

Intervals

Steps Cents Approximate ratios
0 0 1/1
1 24
2 48.1 34/33, 35/34
3 72.1 24/23, 25/24, 26/25
4 96.2 18/17, 19/18
5 120.2 15/14, 29/27
6 144.3 25/23
7 168.3 11/10
8 192.4 19/17, 28/25
9 216.4 17/15, 26/23
10 240.5 23/20, 31/27
11 264.5 7/6
12 288.6 13/11, 33/28
13 312.6 6/5
14 336.7 17/14, 28/23
15 360.7 16/13
16 384.8 5/4
17 408.8 19/15, 24/19, 33/26
18 432.8 9/7
19 456.9 13/10, 30/23
20 480.9 33/25
21 505
22 529 19/14, 34/25
23 553.1 11/8
24 577.1
25 601.2 17/12, 24/17
26 625.2 23/16, 33/23
27 649.3 16/11, 35/24
28 673.3 28/19, 31/21, 34/23
29 697.4
30 721.4
31 745.5 20/13
32 769.5 25/16
33 793.6 19/12, 30/19
34 817.6 8/5
35 841.6 13/8
36 865.7 28/17, 33/20
37 889.7
38 913.8 22/13
39 937.8 31/18
40 961.9
41 985.9 23/13, 30/17
42 1010 34/19
43 1034 20/11
44 1058.1 24/13, 35/19
45 1082.1 28/15
46 1106.2
47 1130.2 23/12, 25/13
48 1154.3 35/18
49 1178.3
50 1202.4 2/1
51 1226.4
52 1250.4 33/16, 35/17
53 1274.5 23/11, 25/12
54 1298.5
55 1322.6 15/7
56 1346.6 24/11
57 1370.7
58 1394.7
59 1418.8 25/11, 34/15
60 1442.8 23/10
61 1466.9 7/3

Harmonics

Approximation of harmonics in 61ed7/3
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +2.4 -2.2 +4.7 +3.1 +0.1 -2.2 +7.1 -4.5 +5.5 +8.8 +2.5
Relative (%) +9.8 -9.3 +19.6 +13.1 +0.5 -9.3 +29.4 -18.6 +22.9 +36.7 +10.3
Steps
(reduced)
50
(50)
79
(18)
100
(39)
116
(55)
129
(7)
140
(18)
150
(28)
158
(36)
166
(44)
173
(51)
179
(57)
Approximation of harmonics in 61ed7/3
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +8.2 +0.1 +0.9 +9.4 +0.6 -2.1 +0.5 +7.9 -4.5 +11.2 +6.4
Relative (%) +34.0 +0.5 +3.8 +39.1 +2.7 -8.8 +1.9 +32.7 -18.6 +46.5 +26.5
Steps
(reduced)
185
(2)
190
(7)
195
(12)
200
(17)
204
(21)
208
(25)
212
(29)
216
(33)
219
(36)
223
(40)
226
(43)