17ed4: Difference between revisions

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undoing accidental revert
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{{Infobox ET|51ed64}}
{{Infobox ET|17ed40001/10000}}
<!--Using ED64 as temporary solution until Infobox ET starts working with ED4s-->
<!--Using ED40001/10000 as temporary solution until Infobox ET starts working with ED4s-->
'''17ed4''' is the [[Ed4|equal division of the double octave]] into 17 parts of 141.18 [[cent|cents]] each, corresponding to 8.5edo or every second step of [[17edo]].
'''17ed4''' is the [[Ed4|equal division of the double octave]] into 17 parts of 141.18 [[cent|cents]] each, corresponding to 8.5edo or every second step of [[17edo]].
==Theory==
==Theory==

Revision as of 22:00, 20 March 2023

← 16ed40001/10000 17ed40001/10000 18ed40001/10000 →
Prime factorization 17 (prime)
Step size 141.179 ¢ 
Octave 8\17ed40001/10000 (1129.43 ¢)
(semiconvergent)
Twelfth 13\17ed40001/10000 (1835.33 ¢)
Consistency limit 3
Distinct consistency limit 3

17ed4 is the equal division of the double octave into 17 parts of 141.18 cents each, corresponding to 8.5edo or every second step of 17edo.

Theory

TBA

Approximation of harmonics in 51ed64
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +70.6 -66.7 -0.0 +37.2 +3.9 +19.4 +70.6 +7.9 -33.4 -57.2 -66.7
Relative (%) +50.0 -47.2 -0.0 +26.4 +2.8 +13.7 +50.0 +5.6 -23.6 -40.5 -47.2
Steps
(reduced)
9
(9)
13
(13)
17
(17)
20
(20)
22
(22)
24
(24)
26
(26)
27
(27)
28
(28)
29
(29)
30
(30)

Intervals

# Cents Approximate ratios 17edo notation
0 0.00 1/1 C
1 141.18 13/12, 12/11, 14/13, 25/23 C#
2 282.36 13/11, 7/6 Eb
3 423.54 32/25, 9/7, 14/11, 33/26, 23/18 E
4 564.72 11/8, 18/13, 32/23 ^F
5 705.90 3/2, 32/21 G
6 847.08 13/8, 18/11, 23/14 G#, vA
7 988.26 16/9, 7/4, 25/14, 44/25, 23/13 Bb
8 1129.44 25/13, 48/25, 27/14, 64/33, 23/12 B
9 1270.62 15/7 ^C
10 1411.80 16/7 D
11 1552.98 12/5, 5/2 vE
12 1694.16 8/3 F
13 1835.34 3/1 F#
14 1976.52 16/5 ^G, Ab
15 2117.70 10/3 A
16 2258.88 11/3 vB
17 2400.00 4/1 C