98edt

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← 97edt 98edt 99edt →
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 19.4
2 38.8 43/42, 44/43
3 58.2
4 77.6 23/22
5 97 18/17
6 116.4 31/29
7 135.9
8 155.3 23/21, 35/32
9 174.7 21/19
10 194.1 19/17, 28/25
11 213.5 26/23, 43/38
12 232.9 8/7
13 252.3 22/19
14 271.7
15 291.1 13/11
16 310.5
17 329.9 23/19
18 349.3 11/9
19 368.7 26/21
20 388.2 5/4
21 407.6 19/15, 43/34
22 427 32/25
23 446.4 22/17
24 465.8 17/13
25 485.2 41/31
26 504.6
27 524 23/17
28 543.4 26/19, 37/27
29 562.8 18/13
30 582.2 7/5
31 601.6 17/12, 41/29
32 621 43/30
33 640.5
34 659.9
35 679.3
36 698.7
37 718.1
38 737.5 23/15, 26/17
39 756.9
40 776.3 36/23
41 795.7 19/12
42 815.1 8/5
43 834.5 34/21
44 853.9 18/11
45 873.3 43/26
46 892.8
47 912.2 22/13, 39/23
48 931.6 12/7
49 951 26/15
50 970.4 7/4
51 989.8 23/13, 39/22
52 1009.2 34/19, 43/24
53 1028.6 38/21
54 1048 11/6
55 1067.4
56 1086.8 15/8
57 1106.2 36/19
58 1125.6 23/12
59 1145.1
60 1164.5
61 1183.9
62 1203.3
63 1222.7
64 1242.1 43/21
65 1261.5
66 1280.9 44/21
67 1300.3 36/17
68 1319.7 15/7
69 1339.1 13/6
70 1358.5
71 1377.9
72 1397.4
73 1416.8 34/15
74 1436.2 39/17
75 1455.6 44/19
76 1475
77 1494.4
78 1513.8 12/5
79 1533.2
80 1552.6 27/11
81 1572
82 1591.4
83 1610.8 33/13, 38/15
84 1630.2
85 1649.7
86 1669.1 21/8
87 1688.5
88 1707.9
89 1727.3 19/7
90 1746.7
91 1766.1
92 1785.5
93 1804.9 17/6
94 1824.3 43/15
95 1843.7
96 1863.1 44/15
97 1882.5
98 1902 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)