84edt

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← 83edt 84edt 85edt →
Prime factorization 22 × 3 × 7
Step size 22.6423¢ 
Octave 53\84edt (1200.04¢)
(convergent)
Consistency limit 10
Distinct consistency limit 10

Division of the third harmonic into 84 equal parts (84EDT) is practically identical to 53 edo, but with the 3/1 rather than the 2/1 being just. The octave is about 0.0430 cents stretched and the step size is about 22.6423 cents.

Intervals

Steps Cents Approximate ratios
0 0 1/1
1 22.6
2 45.3 37/36, 38/37, 39/38, 40/39, 41/40
3 67.9 25/24, 26/25, 27/26
4 90.6 19/18, 20/19, 39/37
5 113.2 16/15
6 135.9 13/12, 27/25, 40/37
7 158.5 23/21, 34/31
8 181.1 10/9
9 203.8 9/8
10 226.4 33/29, 41/36
11 249.1 15/13, 37/32
12 271.7 41/35
13 294.4 32/27
14 317 6/5
15 339.6 28/23, 39/32
16 362.3 16/13, 37/30
17 384.9 5/4
18 407.6 19/15
19 430.2 32/25, 41/32
20 452.8 13/10
21 475.5 25/19, 29/22
22 498.1 4/3
23 520.8 23/17, 27/20
24 543.4 26/19, 37/27, 41/30
25 566.1 18/13, 25/18
26 588.7 38/27
27 611.3 27/19, 37/26
28 634 13/9, 36/25
29 656.6 19/13
30 679.3 34/23, 37/25, 40/27
31 701.9 3/2
32 724.6 35/23, 38/25, 41/27
33 747.2 20/13, 37/24
34 769.8 25/16, 39/25
35 792.5 30/19
36 815.1 8/5
37 837.8 13/8
38 860.4 23/14
39 883.1 5/3
40 905.7 27/16
41 928.3 41/24
42 951 26/15
43 973.6
44 996.3 16/9
45 1018.9 9/5
46 1041.5 31/17
47 1064.2 24/13, 37/20
48 1086.8 15/8
49 1109.5 19/10
50 1132.1 25/13
51 1154.8 37/19, 39/20
52 1177.4
53 1200 2/1
54 1222.7
55 1245.3 37/18, 39/19, 41/20
56 1268 25/12, 27/13
57 1290.6 19/9, 40/19
58 1313.3 32/15
59 1335.9 13/6
60 1358.5
61 1381.2 20/9
62 1403.8 9/4
63 1426.5 41/18
64 1449.1 30/13, 37/16
65 1471.8
66 1494.4
67 1517 12/5
68 1539.7 39/16
69 1562.3 32/13, 37/15
70 1585 5/2
71 1607.6 38/15
72 1630.2 41/16
73 1652.9 13/5
74 1675.5 29/11
75 1698.2 8/3
76 1720.8 27/10
77 1743.5 41/15
78 1766.1 25/9, 36/13
79 1788.7
80 1811.4 37/13
81 1834 26/9
82 1856.7 38/13
83 1879.3
84 1902 3/1

Harmonics

Approximation of harmonics in 84edt
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +0.04 +0.00 +0.09 -1.31 +0.04 +4.88 +0.13 +0.00 -1.27 -7.77 +0.09
Relative (%) +0.2 +0.0 +0.4 -5.8 +0.2 +21.6 +0.6 +0.0 -5.6 -34.3 +0.4
Steps
(reduced)
53
(53)
84
(0)
106
(22)
123
(39)
137
(53)
149
(65)
159
(75)
168
(0)
176
(8)
183
(15)
190
(22)
Approximation of harmonics in 84edt
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) -2.63 +4.92 -1.31 +0.17 +8.43 +0.04 -2.99 -1.22 +4.88 -7.73 +5.88
Relative (%) -11.6 +21.7 -5.8 +0.8 +37.2 +0.2 -13.2 -5.4 +21.6 -34.1 +26.0
Steps
(reduced)
196
(28)
202
(34)
207
(39)
212
(44)
217
(49)
221
(53)
225
(57)
229
(61)
233
(65)
236
(68)
240
(72)