209edo

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Welcome to 209edo

209edo = 11edo × 19edo[edit]

Distinctively interesting choice for an edo, due to its divisibility by both 11 and 19. This means it can be used to play 11edo music and 19edo music at the same time, using the 209/19 and 209/11 vals respectively.

5.742[edit]

209edo has a step size of 5.7416267942584 cents. It is a commatonal EDO, because the step size represents commas like 15625/15552, 1728/1715, 385/384, 169/168.

Selected just intervals by error[edit]

The following table shows how some prominent just intervals are represented in 209edo (ordered by absolute error).

Interval, complement Error (abs., in cents)
11/8, 16/11 0.122
6/5, 5/3 0.148
13/10, 20/13 0.625
18/13, 13/9 0.703
13/12, 24/13 0.774
15/13, 26/15 0.851
10/9, 9/5 1.328
12/11, 11/6 1.355
4/3, 3/2 1.477
11/10, 20/11 1.503
8/7, 7/4 1.509
5/4, 8/5 1.625
14/11, 11/7 1.631
13/11, 22/13 2.128
16/13, 13/8 2.25
11/9, 18/11 2.831
9/8, 16/9 2.953
15/11, 22/15 2.979
7/6, 12/7 2.986
16/15, 15/8 3.101
7/5, 10/7 3.134
14/13, 13/7 3.759
9/7, 14/9 4.462
15/14, 28/15 4.61

Table of 209edo intervals[edit]

Step Five limit Seven limit Eleven limit Thirteen limit
1 15625/15552 1728/1715 385/384 169/168
2 32768/32805 1029/1024 99/98 99/98
3 81/80 81/80 81/80 78/77
4 3125/3072 245/243 245/242 65/64
5 2048/2025 50/49 50/49 50/49
6 6561/6400 5103/5000 45/44 45/44
7 16875/16384 49/48 49/48 49/48
8 128/125 36/35 36/35 36/35
9 250/243 250/243 33/32 33/32
10 ? 1029/1000 1029/1000 91/88
11 648/625 648/625 80/77 27/26
12 25/24 25/24 25/24 25/24
13 ? 256/245 256/245 169/162
14 6561/6250 2401/2304 22/21 22/21
15 135/128 21/20 21/20 21/20
16 16384/15625 729/686 363/343 96/91
17 256/243 200/189 128/121 52/49
18 2187/2048 1323/1250 35/33 35/33
19 82944/78125 343/324 343/324 180/169
20 16/15 15/14 15/14 15/14
21 3125/2916 2592/2401 77/72 77/72
22 ? 343/320 264/245 264/245
23 27/25 27/25 27/25 14/13
24 625/576 175/162 175/162 13/12
25 32768/30375 160/147 160/147 99/91
26 2187/2000 2187/2000 12/11 12/11
27 1125/1024 35/32 35/32 35/32
28 2048/1875 54/49 54/49 54/49
29 800/729 625/567 11/10 11/10
30 18225/16384 441/400 441/400 182/165
31 3456/3125 972/875 256/231 72/65
32 10/9 10/9 10/9 10/9
33 78125/69984 384/343 49/44 49/44
34 17496/15625 1715/1536 55/49 55/49
35 9/8 9/8 9/8 9/8
36 15625/13824 1944/1715 539/480 91/81
37 4096/3645 500/441 198/175 44/39
38 729/640 567/500 25/22 25/22
39 9375/8192 245/216 245/216 91/80
40 256/225 8/7 8/7 8/7
41 2500/2187 2500/2187 55/48 55/48
42 ? 147/128 147/128 147/128
43 144/125 81/70 81/70 15/13
44 125/108 125/108 125/108 52/45
45 ? 400/343 343/297 343/297
46 729/625 729/625 64/55 64/55
47 75/64 7/6 7/6 7/6
48 32768/28125 288/245 288/245 169/144
49 2560/2187 2000/1701 33/28 33/28
50 1215/1024 147/125 147/125 13/11
51 18432/15625 1458/1225 640/539 108/91
52 32/27 25/21 25/21 25/21
53 15625/13122 2048/1715 105/88 105/88
54 93312/78125 343/288 176/147 176/147
55 6/5 6/5 6/5 6/5
56 3125/2592 875/729 77/64 65/54
57 65536/54675 1250/1029 297/245 110/91
58 243/200 243/200 40/33 40/33
59 625/512 98/81 98/81 39/32
60 4096/3375 60/49 60/49 60/49
61 8000/6561 6250/5103 11/9 11/9
62 10125/8192 49/40 49/40 49/40
63 768/625 216/175 121/98 16/13
64 100/81 100/81 99/80 26/21
65 ? 1280/1029 245/198 245/198
66 3888/3125 2187/1750 96/77 81/65
67 5/4 5/4 5/4 5/4
68 78125/62208 432/343 343/275 169/135
69 8192/6561 2401/1920 44/35 44/35
70 81/64 63/50 63/50 49/39
71 15625/12288 1225/972 1225/968 91/72
72 512/405 80/63 80/63 33/26
73 6561/5120 3072/2401 14/11 14/11
74 84375/65536 245/192 245/192 169/132
75 32/25 9/7 9/7 9/7
76 625/486 625/486 77/60 77/60
77 ? 1029/800 891/686 352/273
78 162/125 162/125 100/77 84/65
79 125/96 35/27 35/27 13/10
80 65536/50625 64/49 64/49 64/49
81 6561/5000 6561/5000 55/42 55/42
82 675/512 21/16 21/16 21/16
83 4096/3125 324/245 324/245 120/91
84 320/243 250/189 33/25 33/25
85 10935/8192 1323/1000 175/132 117/88
86 20736/15625 1715/1296 512/385 121/91
87 4/3 4/3 4/3 4/3
88 15625/11664 2304/1715 147/110 147/110
89 ? 343/256 66/49 66/49
90 27/20 27/20 27/20 27/20
91 3125/2304 875/648 490/363 65/48
92 8192/6075 200/147 200/147 88/65
93 2187/1600 1701/1250 15/11 15/11
94 5625/4096 49/36 49/36 49/36
95 512/375 48/35 48/35 48/35
96 1000/729 1000/729 11/8 11/8
97 91125/65536 343/250 343/250 91/66
98 864/625 243/175 242/175 18/13
99 25/18 25/18 25/18 25/18
100 ? 480/343 245/176 169/121
101 4374/3125 2401/1728 88/63 88/63
102 45/32 7/5 7/5 7/5
103 65536/46875 486/343 484/343 128/91
104 1024/729 625/441 99/70 55/39
105 729/512 567/400 125/88 78/55
106 46875/32768 343/243 343/242 91/64
107 64/45 10/7 10/7 10/7
108 3125/2187 3125/2187 63/44 63/44
109 ? 343/240 343/240 242/169
110 36/25 36/25 36/25 36/25
111 625/432 350/243 175/121 13/9
112 ? 500/343 500/343 132/91
113 729/500 729/500 16/11 16/11
114 375/256 35/24 35/24 35/24
115 8192/5625 72/49 72/49 72/49
116 3200/2187 2500/1701 22/15 22/15
117 6075/4096 147/100 147/100 65/44
118 4608/3125 729/490 363/245 96/65
119 40/27 40/27 40/27 40/27
120 78125/52488 512/343 49/33 49/33
121 23328/15625 1715/1152 220/147 220/147
122 3/2 3/2 3/2 3/2
123 15625/10368 2592/1715 385/256 169/112
124 16384/10935 2000/1323 264/175 176/117
125 243/160 189/125 50/33 50/33
126 3125/2048 245/162 245/162 91/60
127 1024/675 32/21 32/21 32/21
128 10000/6561 10000/6561 55/36 55/36
129 50625/32768 49/32 49/32 49/32
130 192/125 54/35 54/35 20/13
131 125/81 125/81 77/50 65/42
132 ? 1600/1029 1225/792 273/176
133 972/625 972/625 120/77 81/52
134 25/16 14/9 14/9 14/9
135 ? 384/245 343/220 169/108
136 10240/6561 2401/1536 11/7 11/7
137 405/256 63/40 63/40 52/33
138 24576/15625 1944/1225 1089/686 144/91
139 128/81 100/63 100/63 78/49
140 6561/4096 3840/2401 35/22 35/22
141 ? 343/216 343/216 270/169
142 8/5 8/5 8/5 8/5
143 3125/1944 3125/1944 77/48 77/48
144 ? 1029/640 396/245 396/245
145 81/50 81/50 81/50 21/13
146 625/384 175/108 175/108 13/8
147 16384/10125 80/49 80/49 80/49
148 6561/4000 5103/3125 18/11 18/11
149 3375/2048 49/30 49/30 49/30
150 1024/625 81/49 81/49 64/39
151 400/243 400/243 33/20 33/20
152 54675/32768 1029/625 490/297 91/55
153 5184/3125 1458/875 128/77 108/65
154 5/3 5/3 5/3 5/3
155 78125/46656 576/343 147/88 147/88
156 26244/15625 1715/1024 165/98 165/98
157 27/16 27/16 27/16 27/16
158 15625/9216 1225/729 539/320 91/54
159 2048/1215 250/147 250/147 22/13
160 2187/1280 1701/1000 56/33 56/33
161 28125/16384 245/144 245/144 169/99
162 128/75 12/7 12/7 12/7
163 1250/729 1250/729 55/32 55/32
164 ? 343/200 343/200 343/200
165 216/125 216/125 121/70 45/26
166 125/72 125/72 125/72 26/15
167 ? 256/147 256/147 256/147
168 2187/1250 2187/1250 96/55 96/55
169 225/128 7/4 7/4 7/4
170 16384/9375 432/245 432/245 160/91
171 1280/729 1000/567 44/25 44/25
172 3645/2048 441/250 175/99 39/22
173 27648/15625 1715/972 960/539 162/91
174 16/9 16/9 16/9 16/9
175 15625/8748 3072/1715 98/55 98/55
176 ? 343/192 88/49 88/49
177 9/5 9/5 9/5 9/5
178 3125/1728 875/486 231/128 65/36
179 32768/18225 625/343 625/343 165/91
180 729/400 729/400 20/11 20/11
181 1875/1024 49/27 49/27 49/27
182 2048/1125 64/35 64/35 64/35
183 4000/2187 3125/1701 11/6 11/6
184 30375/16384 147/80 147/80 147/80
185 1152/625 324/175 324/175 24/13
186 50/27 50/27 50/27 13/7
187 ? 640/343 245/132 245/132
188 5832/3125 2401/1296 144/77 121/65
189 15/8 15/8 15/8 15/8
190 78125/41472 648/343 539/288 169/90
191 4096/2187 2401/1280 66/35 66/35
192 243/128 189/100 121/64 49/26
193 15625/8192 1225/648 686/363 91/48
194 256/135 40/21 40/21 40/21
195 12500/6561 4608/2401 21/11 21/11
196 ? 245/128 245/128 169/88
197 48/25 27/14 27/14 25/13
198 625/324 625/324 77/40 52/27
199 ? 2000/1029 1331/686 176/91
200 243/125 243/125 64/33 64/33
201 125/64 35/18 35/18 35/18
202 32768/16875 96/49 96/49 96/49
203 12800/6561 10000/5103 55/28 55/28
204 2025/1024 49/25 49/25 49/25
205 6144/3125 486/245 484/245 128/65
206 160/81 125/63 99/50 77/39
207 32805/16384 2048/1029 175/88 143/72
208 31104/15625 1715/864 768/385 336/169
209 2/1 2/1 2/1 2/1