In 19-limit just intonation, 19/13 is the undevicesimal subfifth. This subfifth differs from 3/2 by 39/38 (~45 ¢).
Approximation
Edo approximations for 19/13 (656.99 ¢)
≤ 80edo, relative error ≤ 10%
| Edo |
Step size |
Cents (¢) |
Absolute error (¢) |
Relative error (%)
|
| 2 |
1\2 |
600.00 |
-56.99 |
-9.50
|
| 9 |
5\9 |
666.67 |
+9.68 |
+7.26
|
| 11 |
6\11 |
654.55 |
-2.44 |
-2.24
|
| 20 |
11\20 |
660.00 |
+3.01 |
+5.02
|
| 22 |
12\22 |
654.55 |
-2.44 |
-4.47
|
| 31 |
17\31 |
658.06 |
+1.08 |
+2.79
|
| 33 |
18\33 |
654.55 |
-2.44 |
-6.71
|
| 42 |
23\42 |
657.14 |
+0.16 |
+0.55
|
| 44 |
24\44 |
654.55 |
-2.44 |
-8.95
|
| 51 |
28\51 |
658.82 |
+1.84 |
+7.81
|
| 53 |
29\53 |
656.60 |
-0.38 |
-1.69
|
| 62 |
34\62 |
658.06 |
+1.08 |
+5.58
|
| 64 |
35\64 |
656.25 |
-0.74 |
-3.92
|
| 73 |
40\73 |
657.53 |
+0.55 |
+3.34
|
| 75 |
41\75 |
656.00 |
-0.99 |
-6.16
|