60:70:84:105

Chord information
Harmonics	60:70:84:105
Subharmonics	1/(7:6:5:4)
Intervals from root	1/1–7/6–7/5–7/4
Cents from root	0¢–267¢–583¢–969¢
Step intervals	7/6, 6/5, 5/4
Step cents	267¢, 316¢, 386¢
Color names	sub-7 or s7; zo-7 zogu-5 or z7(zg5)
Prime limit	7
Genus	3⋅5⋅7 (105)
Intervallic odd limit	7
Otonal odd limit	105
Utonal odd limit	7
Consistent edos (d ≥ 2)	31edo, 41edo, 68edo, 72edo
	* 2 ≤ d < 4; 4 ≤ d < 8; * 8 ≤ d < 16; …

60:70:84:105 is a minor seventh flat-fifth chord, also known as a half-diminished seventh chord. It is a type of subharmonic seventh chord. See also its homonym 70:84:105:120, the subharmonic sixth chord (a minor-major sixth chord).

Edo approximations for 60:70:84:105 ▶
*intervals: 7/6, 7/5, 7/4 · ≤ 60edo, RMS rel. error ≤ 15%*
	Edo	Steps	Cents (¢)	Absolute errors (¢)	RMS (¢)	RMS (%)
▶	10	`0 2 5 8`	`0.00 240.00 600.00 960.00`	`0.00 -26.87 +17.49 -8.83`	15.99	13.33
▶	12	`0 3 6 10`	`0.00 300.00 600.00 1000.00`	`0.00 +33.13 +17.49 +31.17`	13.25	13.25
▶	15	`0 3 7 12`	`0.00 240.00 560.00 960.00`	`0.00 -26.87 -22.51 -8.83`	10.72	13.40
▶	19	`0 4 9 15`	`0.00 252.63 568.42 947.37`	`0.00 -14.24 -14.09 -21.46`	7.78	12.32
▶	22	`0 5 11 18`	`0.00 272.73 600.00 981.82`	`0.00 +5.86 +17.49 +12.99`	6.69	12.26
▶	27	`0 6 13 22`	`0.00 266.67 577.78 977.78`	`0.00 -0.20 -4.73 +8.95`	4.96	11.17
▶	31	`0 7 15 25`	`0.00 270.97 580.65 967.74`	`0.00 +4.10 -1.87 -1.08`	2.30	5.94
▶	37	`0 8 18 30`	`0.00 259.46 583.78 972.97`	`0.00 -7.41 +1.27 +4.15`	4.26	13.15
▶	41	`0 9 20 33`	`0.00 263.41 585.37 965.85`	`0.00 -3.46 +2.85 -2.97`	2.54	8.67
▶	46	`0 10 22 37`	`0.00 260.87 573.91 965.22`	`0.00 -6.00 -8.60 -3.61`	3.17	12.14
▶	50	`0 11 24 40`	`0.00 264.00 576.00 960.00`	`0.00 -2.87 -6.51 -8.83`	3.38	14.08
▶	53	`0 12 26 43`	`0.00 271.70 588.68 973.58`	`0.00 +4.83 +6.17 +4.76`	2.34	10.34
▶	58	`0 13 28 47`	`0.00 268.97 579.31 972.41`	`0.00 +2.09 -3.20 +3.59`	2.55	12.32