29ed4

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← 27ed4 29ed4 31ed4 →
Prime factorization 29 (prime)
Step size 82.7586¢ 
Octave 15\29ed4 (1241.38¢)
Twelfth 23\29ed4 (1903.45¢)
(convergent)
Consistency limit 1
Distinct consistency limit 1

29 equal divisions of the 4th harmonic (abbreviated 29ed4) is a nonoctave tuning system that divides the interval of 4/1 into 29 equal parts of about 82.8 ¢ each. Each step represents a frequency ratio of 41/29, or the 29th root of 4.

Intervals

Steps Cents Approximate ratios
0 0 1/1
1 82.8 22/21, 23/22
2 165.5 21/19, 23/21
3 248.3 15/13, 22/19
4 331 23/19
5 413.8 19/15
6 496.6
7 579.3 7/5
8 662.1 19/13, 22/15
9 744.8 17/11, 23/15
10 827.6 21/13
11 910.3 22/13
12 993.1 23/13
13 1075.9 13/7
14 1158.6
15 1241.4
16 1324.1 15/7
17 1406.9
18 1489.7
19 1572.4
20 1655.2 13/5
21 1737.9 19/7
22 1820.7
23 1903.4 3/1
24 1986.2 19/6, 22/7
25 2069 23/7
26 2151.7
27 2234.5
28 2317.2 19/5, 23/6
29 2400

Harmonics

Approximation of harmonics in 29ed4
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +41.4 +1.5 +0.0 +27.5 -39.9 +24.3 +41.4 +3.0 -13.9 -13.4 +1.5
Relative (%) +50.0 +1.8 +0.0 +33.2 -48.2 +29.3 +50.0 +3.6 -16.8 -16.2 +1.8
Steps
(reduced)
15
(15)
23
(23)
29
(0)
34
(5)
37
(8)
41
(12)
44
(15)
46
(17)
48
(19)
50
(21)
52
(23)
Approximation of harmonics in 29ed4
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +28.4 -17.1 +29.0 +0.0 -22.2 -38.4 +33.5 +27.5 +25.8 +28.0 +33.8
Relative (%) +34.4 -20.7 +35.0 +0.0 -26.8 -46.4 +40.5 +33.2 +31.1 +33.8 +40.8
Steps
(reduced)
54
(25)
55
(26)
57
(28)
58
(0)
59
(1)
60
(2)
62
(4)
63
(5)
64
(6)
65
(7)
66
(8)