203edo

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Welcome to 203edo

203edo = 7edo × 29edo[edit]

Distinctively interesting choice for an edo, due to its divisibility by both 7 and 29. This means it can be used to play 7edo music and 29edo music at the same time, using the 203/29 and 203/7 vals respectively.

5.911[edit]

203edo has a step size of 5.9113300492611 cents. It is a commatonal EDO, because the step size represents commas like 20000/19683, 225/224, 169/168.

Selected just intervals by error[edit]

The following table shows how some prominent just intervals are represented in 203edo (ordered by absolute error).

Interval, complement Error (abs., in cents)
13/11, 22/13 0.445
11/10, 20/11 0.513
15/13, 26/15 0.535
16/15, 15/8 0.584
8/7, 7/4 0.632
7/6, 12/7 0.861
13/10, 20/13 0.958
15/11, 22/15 0.98
16/13, 13/8 1.119
15/14, 28/15 1.216
4/3, 3/2 1.493
11/8, 16/11 1.564
14/13, 13/7 1.751
5/4, 8/5 2.077
14/11, 11/7 2.196
9/7, 14/9 2.354
13/12, 24/13 2.612
7/5, 10/7 2.709
9/8, 16/9 2.987
12/11, 11/6 3.058
6/5, 5/3 3.571
18/13, 13/9 4.105
11/9, 18/11 4.551
10/9, 9/5 5.064

Table of 203edo intervals[edit]

Step Five limit Seven limit Eleven limit Thirteen limit
1 20000/19683 225/224 225/224 169/168
2 15552/15625 875/864 100/99 100/99
3 2048/2025 1728/1715 99/98 91/90
4 ? 64/63 55/54 55/54
5 81/80 50/49 50/49 50/49
6 250/243 49/48 49/48 49/48
7 78732/78125 525/512 45/44 40/39
8 128/125 128/125 77/75 65/63
9 20480/19683 36/35 33/32 33/32
10 6561/6400 28/27 28/27 28/27
11 25/24 25/24 25/24 25/24
12 62500/59049 1875/1792 343/330 26/25
13 648/625 256/245 22/21 22/21
14 256/243 256/243 256/243 104/99
15 ? 21/20 21/20 21/20
16 135/128 135/128 81/77 55/52
17 3125/2916 1225/1152 35/33 35/33
18 6561/6250 1296/1225 297/280 125/117
19 16/15 16/15 16/15 16/15
20 64000/59049 15/14 15/14 15/14
21 2187/2048 175/162 175/162 130/121
22 625/576 625/576 121/112 14/13
23 ? 672/625 88/81 13/12
24 27/25 27/25 27/25 27/25
25 800/729 49/45 49/45 49/45
26 ? 35/32 12/11 12/11
27 1125/1024 1125/1024 675/616 100/91
28 65536/59049 192/175 11/10 11/10
29 2187/2000 54/49 54/49 54/49
30 10/9 10/9 10/9 10/9
31 ? 125/112 125/112 72/65
32 3456/3125 1715/1536 49/44 39/35
33 4096/3645 384/343 55/49 55/49
34 ? 28/25 28/25 28/25
35 9/8 9/8 9/8 9/8
36 2500/2187 245/216 112/99 112/99
37 17496/15625 875/768 25/22 25/22
38 256/225 256/225 154/135 91/80
39 ? 8/7 8/7 8/7
40 729/640 225/196 225/196 143/125
41 125/108 125/108 63/55 63/55
42 ? 3125/2688 343/297 15/13
43 144/125 144/125 140/121 65/56
44 2560/2187 81/70 81/70 81/70
45 59049/51200 7/6 7/6 7/6
46 75/64 75/64 75/64 75/64
47 15625/13122 1024/875 88/75 88/75
48 729/625 288/245 33/28 33/28
49 32/27 32/27 32/27 13/11
50 ? 25/21 25/21 25/21
51 1215/1024 343/288 196/165 108/91
52 3125/2592 1225/1024 105/88 105/88
53 59049/50000 448/375 448/375 65/54
54 6/5 6/5 6/5 6/5
55 8000/6561 98/81 98/81 98/81
56 19683/16384 175/144 40/33 40/33
57 625/512 625/512 297/245 63/52
58 ? 128/105 11/9 11/9
59 243/200 60/49 60/49 60/49
60 100/81 49/40 49/40 49/40
61 ? 315/256 27/22 16/13
62 768/625 768/625 154/125 26/21
63 8192/6561 216/175 99/80 99/80
64 19683/16000 56/45 56/45 56/45
65 5/4 5/4 5/4 5/4
66 25000/19683 1125/896 343/275 81/65
67 3888/3125 1536/1225 44/35 44/35
68 512/405 432/343 308/243 91/72
69 ? 63/50 63/50 63/50
70 81/64 81/64 81/64 33/26
71 625/486 245/192 14/11 14/11
72 19683/15625 2625/2048 225/176 50/39
73 32/25 32/25 32/25 32/25
74 25600/19683 9/7 9/7 9/7
75 6561/5120 35/27 35/27 35/27
76 125/96 125/96 100/77 84/65
77 78125/59049 2048/1575 176/135 13/10
78 162/125 64/49 55/42 55/42
79 320/243 98/75 98/75 98/75
80 ? 21/16 21/16 21/16
81 675/512 675/512 392/297 120/91
82 15625/11664 1152/875 33/25 33/25
83 6561/5000 324/245 297/224 121/91
84 4/3 4/3 4/3 4/3
85 80000/59049 75/56 75/56 75/56
86 10935/8192 343/256 121/90 121/90
87 3125/2304 2304/1715 66/49 35/26
88 ? 168/125 110/81 65/48
89 27/20 27/20 27/20 27/20
90 1000/729 49/36 49/36 49/36
91 ? 175/128 15/11 15/11
92 512/375 512/375 308/225 125/91
93 81920/59049 48/35 11/8 11/8
94 2187/1600 112/81 112/81 91/66
95 25/18 25/18 25/18 25/18
96 ? 625/448 243/176 18/13
97 864/625 864/625 88/63 39/28
98 1024/729 243/175 243/175 169/121
99 ? 7/5 7/5 7/5
100 45/32 45/32 45/32 45/32
101 3125/2187 1225/864 140/99 140/99
102 4374/3125 1728/1225 99/70 99/70
103 64/45 64/45 64/45 64/45
104 ? 10/7 10/7 10/7
105 729/512 343/240 343/240 143/100
106 625/432 625/432 63/44 56/39
107 ? 896/625 352/243 13/9
108 36/25 36/25 36/25 36/25
109 3200/2187 81/56 81/56 81/56
110 59049/40960 35/24 16/11 16/11
111 375/256 375/256 225/154 182/125
112 78125/52488 256/175 22/15 22/15
113 729/500 72/49 72/49 72/49
114 40/27 40/27 40/27 40/27
115 ? 125/84 81/55 77/52
116 4608/3125 1715/1152 49/33 49/33
117 15625/10368 512/343 180/121 175/117
118 59049/40000 112/75 112/75 112/75
119 3/2 3/2 3/2 3/2
120 10000/6561 245/162 245/162 169/112
121 23328/15625 875/576 50/33 50/33
122 1024/675 1024/675 297/196 91/60
123 ? 32/21 32/21 32/21
124 243/160 75/49 75/49 75/49
125 125/81 49/32 49/32 49/32
126 ? 1575/1024 135/88 20/13
127 192/125 192/125 77/50 65/42
128 10240/6561 54/35 54/35 54/35
129 19683/12800 14/9 14/9 14/9
130 25/16 25/16 25/16 25/16
131 31250/19683 2401/1536 343/220 39/25
132 972/625 384/245 11/7 11/7
133 128/81 128/81 128/81 52/33
134 ? 63/40 63/40 63/40
135 405/256 343/216 243/154 143/90
136 3125/1944 1225/768 35/22 35/22
137 19683/12500 1792/1125 550/343 125/78
138 8/5 8/5 8/5 8/5
139 32000/19683 45/28 45/28 45/28
140 6561/4096 175/108 121/75 121/75
141 625/384 625/384 125/77 21/13
142 ? 512/315 44/27 13/8
143 81/50 80/49 80/49 80/49
144 400/243 49/30 49/30 49/30
145 ? 105/64 18/11 18/11
146 1024/625 1024/625 490/297 104/63
147 32768/19683 288/175 33/20 33/20
148 6561/4000 81/49 81/49 81/49
149 5/3 5/3 5/3 5/3
150 ? 375/224 375/224 108/65
151 5184/3125 1715/1024 121/72 117/70
152 2048/1215 576/343 165/98 91/54
153 ? 42/25 42/25 42/25
154 27/16 27/16 27/16 22/13
155 1250/729 245/144 56/33 56/33
156 26244/15625 875/512 75/44 75/44
157 128/75 128/75 77/45 77/45
158 ? 12/7 12/7 12/7
159 2187/1280 140/81 140/81 140/81
160 125/72 125/72 121/70 112/65
161 ? 3125/1792 343/198 26/15
162 216/125 216/125 110/63 110/63
163 1280/729 243/140 243/140 243/140
164 ? 7/4 7/4 7/4
165 225/128 225/128 135/77 135/77
166 15625/8748 1536/875 44/25 44/25
167 2187/1250 432/245 99/56 99/56
168 16/9 16/9 16/9 16/9
169 ? 25/14 25/14 25/14
170 3645/2048 343/192 98/55 98/55
171 3125/1728 3072/1715 88/49 70/39
172 ? 224/125 224/125 65/36
173 9/5 9/5 9/5 9/5
174 4000/2187 49/27 49/27 49/27
175 59049/32768 175/96 20/11 20/11
176 1875/1024 1875/1024 891/490 91/50
177 ? 64/35 11/6 11/6
178 729/400 90/49 90/49 90/49
179 50/27 50/27 50/27 50/27
180 ? 625/336 81/44 24/13
181 1152/625 1152/625 224/121 13/7
182 4096/2187 324/175 225/121 121/65
183 59049/32000 28/15 28/15 28/15
184 15/8 15/8 15/8 15/8
185 12500/6561 1225/648 560/297 234/125
186 5832/3125 2304/1225 66/35 49/26
187 256/135 256/135 154/81 91/48
188 ? 40/21 40/21 40/21
189 243/128 243/128 243/128 99/52
190 625/324 245/128 21/11 21/11
191 59049/31250 3584/1875 660/343 25/13
192 48/25 48/25 48/25 48/25
193 12800/6561 27/14 27/14 27/14
194 19683/10240 35/18 35/18 35/18
195 125/64 125/64 125/64 125/64
196 78125/39366 1024/525 88/45 39/20
197 243/125 96/49 55/28 55/28
198 160/81 49/25 49/25 49/25
199 ? 63/32 63/32 63/32
200 2025/1024 1715/864 196/99 143/72
201 15625/7776 1728/875 99/50 99/50
202 19683/10000 448/225 448/225 325/162
203 2/1 2/1 2/1 2/1