98edt

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← 97edt98edt99edt →
Prime factorization 2 × 72
Step size 19.4077¢ 
Octave 62\98edt (1203.28¢) (→31\49edt)
Consistency limit 7
Distinct consistency limit 7

98 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 98edt or 98ed3), is a nonoctave tuning system that divides the interval of 3/1 into 98 equal parts of about 19.4 ¢ each. Each step represents a frequency ratio of 31/98, or the 98th root of 3.

Intervals

Steps Cents Approximate Ratios
0 0 1/1
1 19.408
2 38.815 43/42, 44/43
3 58.223
4 77.631 23/22
5 97.039 18/17
6 116.446 31/29
7 135.854
8 155.262 23/21, 35/32
9 174.669 21/19
10 194.077 19/17, 28/25
11 213.485 26/23, 43/38
12 232.892 8/7
13 252.3 22/19
14 271.708
15 291.116 13/11
16 310.523
17 329.931 23/19
18 349.339 11/9
19 368.746 26/21
20 388.154 5/4
21 407.562 19/15, 43/34
22 426.969 32/25
23 446.377 22/17
24 465.785 17/13
25 485.193 41/31
26 504.6
27 524.008 23/17
28 543.416 26/19, 37/27
29 562.823 18/13
30 582.231 7/5
31 601.639 17/12, 41/29
32 621.047 43/30
33 640.454
34 659.862
35 679.27
36 698.677
37 718.085
38 737.493 23/15, 26/17
39 756.9
40 776.308 36/23
41 795.716 19/12
42 815.124 8/5
43 834.531 34/21
44 853.939 18/11
45 873.347 43/26
46 892.754
47 912.162 22/13, 39/23
48 931.57 12/7
49 950.978 26/15
50 970.385 7/4
51 989.793 23/13, 39/22
52 1009.201 34/19, 43/24
53 1028.608 38/21
54 1048.016 11/6
55 1067.424
56 1086.831 15/8
57 1106.239 36/19
58 1125.647 23/12
59 1145.055
60 1164.462
61 1183.87
62 1203.278
63 1222.685
64 1242.093 43/21
65 1261.501
66 1280.908 44/21
67 1300.316 36/17
68 1319.724 15/7
69 1339.132 13/6
70 1358.539
71 1377.947
72 1397.355
73 1416.762 34/15
74 1436.17 39/17
75 1455.578 44/19
76 1474.986
77 1494.393
78 1513.801 12/5
79 1533.209
80 1552.616 27/11
81 1572.024
82 1591.432
83 1610.839 33/13, 38/15
84 1630.247
85 1649.655
86 1669.063 21/8
87 1688.47
88 1707.878
89 1727.286 19/7
90 1746.693
91 1766.101
92 1785.509
93 1804.916 17/6
94 1824.324 43/15
95 1843.732
96 1863.14 44/15
97 1882.547
98 1901.955 3/1

Harmonics

Approximation of harmonics in 98edt
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +3.28 +0.00 +6.56 +8.40 +3.28 +8.11 -9.57 +0.00 -7.73 +1.93 +6.56
Relative (%) +16.9 +0.0 +33.8 +43.3 +16.9 +41.8 -49.3 +0.0 -39.9 +9.9 +33.8
Steps
(reduced)
62
(62)
98
(0)
124
(26)
144
(46)
160
(62)
174
(76)
185
(87)
196
(0)
205
(9)
214
(18)
222
(26)
Approximation of harmonics in 98edt
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +3.84 -8.02 +8.40 -6.30 +5.19 +3.28 +6.71 -4.46 +8.11 +5.21 +5.88
Relative (%) +19.8 -41.3 +43.3 -32.4 +26.8 +16.9 +34.6 -23.0 +41.8 +26.8 +30.3
Steps
(reduced)
229
(33)
235
(39)
242
(46)
247
(51)
253
(57)
258
(62)
263
(67)
267
(71)
272
(76)
276
(80)
280
(84)