26:30:39

Chord information

Harmonics	26:30:39
Subharmonics	1/(15:13:10)
Intervals from root	1/1–15/13–3/2
Cents from root	0¢–248¢–702¢
Step intervals	15/13, 13/10
Step cents	248¢, 454¢
Prime limit	13
Genus	3⋅5⋅13 (195)
Intervallic odd limit	15
Otonal odd limit	39
Utonal odd limit	15
Consistent edos (d ≥ 2)	5edo**, 10edo*, 19edo*, 24edo**, …
* 2 ≤ d < 4; ** 4 ≤ d < 8; *** 8 ≤ d < 16; …

26:30:39, the inframinor chord, 13-limit inframinor chord, is an triad that contains both an inframinor third as well as a perfect fifth, making it somewhat of a quintessential stable triad in the 13-limit.

Edo approximations for 26:30:39 ▶
intervals: 15/13, 3/2 · ≤ 60edo, RMS rel. error ≤ 15%

	Edo	Steps	Cents (¢)	Absolute errors (¢)	RMS (¢)	RMS (%)
▶	10	0  2  6	0.00 240.00 720.00	0.00  -7.74 +18.04	10.80	9.00
▶	14	0  3  8	0.00 257.14 685.71	0.00  +9.40 -16.24	10.59	12.36
▶	15	0  3  9	0.00 240.00 720.00	0.00  -7.74 +18.04	10.80	13.50
▶	19	0  4 11	0.00 252.63 694.74	0.00  +4.89  -7.22	4.97	7.88
▶	21	0  4 12	0.00 228.57 685.71	0.00 -19.17 -16.24	8.43	14.76
▶	24	0  5 14	0.00 250.00 700.00	0.00  +2.26  -1.96	1.72	3.44
▶	29	0  6 17	0.00 248.28 703.45	0.00  +0.53  +1.49	0.62	1.49
▶	34	0  7 20	0.00 247.06 705.88	0.00  -0.68  +3.93	2.03	5.76
▶	39	0  8 23	0.00 246.15 707.69	0.00  -1.59  +5.74	3.15	10.22
▶	43	0  9 25	0.00 251.16 697.67	0.00  +3.42  -4.28	3.15	11.29
▶	44	0  9 26	0.00 245.45 709.09	0.00  -2.29  +7.14	4.01	14.71
▶	45	0  9 26	0.00 240.00 693.33	0.00  -7.74  -8.62	3.87	14.53
▶	48	0 10 28	0.00 250.00 700.00	0.00  +2.26  -1.96	1.72	6.89
▶	50	0 10 29	0.00 240.00 696.00	0.00  -7.74  -5.96	3.31	13.79
▶	53	0 11 31	0.00 249.06 701.89	0.00  +1.32  -0.07	0.64	2.81
▶	55	0 11 32	0.00 240.00 698.18	0.00  -7.74  -3.77	3.16	14.49
▶	58	0 12 34	0.00 248.28 703.45	0.00  +0.53  +1.49	0.62	2.99