17ed4

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Revision as of 21:43, 20 March 2023 by CompactStar (talk | contribs) (n-ED40001/10000 actually works better as substitute than 3n-ED64 due to Infobox ET becoming more glitchy for big equaves)
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← 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