17edf

From Xenharmonic Wiki
Jump to navigation Jump to search
← 16edf17edf18edf →
Prime factorization 17 (prime)
Step size 41.2915¢ 
Octave 29\17edf (1197.45¢)
(semiconvergent)
Twelfth 46\17edf (1899.41¢)
(semiconvergent)
Consistency limit 6
Distinct consistency limit 6

17EDF is the Division of the just perfect fifth into 17 equal parts. It is related to 29 edo, but with the 3/2 rather than the 2/1 being just. The octave is about 2.5474 cents compressed and the step size is about 41.2915 cents. Unlike 29edo, it is only consistent up to the 6-integer-limit, with discrepancy for the 7th harmonic.

Lookalikes: 29edo, 46edt

Intervals

Degree Cents Approx. ratios of the 15-odd-limit
0 0.0000 1/1
1 41.2915 25/24~33/32~56/55~81/80
2 82.5829 21/20
3 123.8744 16/15, 15/14, 14/13, 13/12
4 165.1659 12/11, 11/10
5 206.4574 9/8
6 248.7488 8/7, 7/6, 15/13
289.0403 13/11
8 330.3318 6/5, 11/9
9 371.6232 5/4, 16/13
10 412.9147 14/11
11 455.2062 9/7, 13/10
12· 495.4976 4/3
13 536.7891 11/8, 15/11
14 578.0806 7/5, 18/13
15 619.3721 10/7, 13/9
16 660.6635 16/11, 22/15
17· 701.9550 3/2
18 743.2465 14/9, 20/13
19 784.5379 11/7
20 825.8294 8/5, 13/8
21 867.1209 5/3, 18/11
22· 908.4124 22/13
23 949.7038 7/4, 12/7, 26/15
24 990.9952 16/9
25 1032.3287 11/6, 20/11
26 1073.5782 15/8, 28/15, 13/7, 24/13
27 1114.8697 40/21
28 1156.1612 48/25~64/33~55/28 ~160/81
29 1197.4526 2/1
30 1238.7441 25/12~33/16~112/55~81/40
31 1280.0356 21/10
32 1321.3271 32/15, 15/7, 28/13, 13/6
33 1362.6185 24/11, 11/5
34 1403.9100 9/4

Harmonics

Approximation of harmonics in 17edf
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -2.5 -2.5 -5.1 -19.8 -5.1 +17.1 -7.6 -5.1 +19.0 +19.1 -7.6
Relative (%) -6.2 -6.2 -12.3 -47.9 -12.3 +41.4 -18.5 -12.3 +45.9 +46.3 -18.5
Steps
(reduced)
29
(12)
46
(12)
58
(7)
67
(16)
75
(7)
82
(14)
87
(2)
92
(7)
97
(12)
101
(16)
104
(2)
Approximation of harmonics in 17edf
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +19.0 +14.5 +19.0 -10.2 +8.7 -7.6 -18.7 +16.4 +14.5 +16.6 -19.1
Relative (%) +45.9 +35.2 +45.9 -24.7 +21.1 -18.5 -45.2 +39.7 +35.2 +40.1 -46.2
Steps
(reduced)
108
(6)
111
(9)
114
(12)
116
(14)
119
(0)
121
(2)
123
(4)
126
(7)
128
(9)
130
(11)
131
(12)