128:160:180:225

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Chord information
Harmonics 128:160:180:225
Subharmonics 1/(225:180:160:128)
Intervals from root 1/15/445/32225/128
Cents from root 386¢590¢977¢
Step intervals 5/4, 9/8, 5/4
Step cents 386¢, 204¢, 386¢
Color name yo layoyo-6 yopo-5 or y,Lyy6(yp5)
Prime limit 5
Genus 3252 (225)
Intervallic odd limit 225
Otonal odd limit 225
Utonal odd limit 225
Consistent edos (d ≥ 2) 6edo**, 12edo*, 28edo*, 47edo*, …

128:160:180:225, a French sixth chord, is found rooted on ♭II (1615) and ♭VI (85) in the duodene.

It is an inversion of 180:225:256:320, a dominant seventh flat five chord.


Edo approximations for 128:160:180:225 
intervals: 5/4, 45/32, 225/128 · ≤ 60edo, RMS rel. error ≤ 15%
  Edo Steps Cents (¢) Absolute errors (¢) RMS (¢) RMS (%)
6 0  2  3  5 0.00 400.00 600.00 1000.00 0.00 +13.69 +9.78 +23.46 8.41 4.20
10 0  3  5  8 0.00 360.00 600.00  960.00 0.00 -26.31 +9.78 -16.54 14.04 11.70
12 0  4  6 10 0.00 400.00 600.00 1000.00 0.00 +13.69 +9.78 +23.46 8.41 8.41
16 0  5  8 13 0.00 375.00 600.00  975.00 0.00 -11.31 +9.78  -1.54 7.48 9.97
18 0  6  9 15 0.00 400.00 600.00 1000.00 0.00 +13.69 +9.78 +23.46 8.41 12.61
22 0  7 11 18 0.00 381.82 600.00  981.82 0.00  -4.50 +9.78  +5.28 5.38 9.86
28 0  9 14 23 0.00 385.71 600.00  985.71 0.00  -0.60 +9.78  +9.18 4.90 11.43
31 0 10 15 25 0.00 387.10 580.65  967.74 0.00  +0.78 -9.58  -8.80 4.81 12.41
34 0 11 17 28 0.00 388.24 600.00  988.24 0.00  +1.92 +9.78 +11.70 4.98 14.11
37 0 12 18 30 0.00 389.19 583.78  972.97 0.00  +2.88 -6.44  -3.56 3.53 10.87
41 0 13 20 33 0.00 380.49 585.37  965.85 0.00  -5.83 -4.86 -10.68 3.79 12.96
43 0 14 21 35 0.00 390.70 586.05  976.74 0.00  +4.38 -4.18  +0.21 3.03 10.85
47 0 15 23 38 0.00 382.98 587.23  970.21 0.00  -3.33 -2.99  -6.32 2.24 8.77
49 0 16 24 40 0.00 391.84 587.76  979.59 0.00  +5.52 -2.47  +3.05 3.02 12.35
53 0 17 26 43 0.00 384.91 588.68  973.58 0.00  -1.41 -1.54  -2.95 1.04 4.62
55 0 18 27 45 0.00 392.73 589.09  981.82 0.00  +6.41 -1.13  +5.28 3.26 14.93
59 0 19 29 48 0.00 386.44 589.83  976.27 0.00  +0.13 -0.39  -0.27 0.21 1.02