61ed7/3
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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
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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
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) |
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) |