4172edo: Difference between revisions
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{{Infobox ET}} | |||
{{EDO intro|4172}} | {{EDO intro|4172}} | ||
==Theory== | ==Theory== |
Revision as of 07:06, 9 July 2023
← 4171edo | 4172edo | 4173edo → |
Theory
The first 8 prime harmonics below 25% in 4172edo are 2, 5, 13, 17, 31, 37, 53, 61. Therefore, 4172edo can be thought of as a 2.5.13.17.31.37.53.61 subgroup temperament.
Subsets and supersets
4172's divisors are 1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086. Notable member of the group is 149edo, which is the smallest edo uniquely consistent in the 17-odd limit, although its approximations have long been diluted by edo of this size.
Odd harmonics
Harmonic | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | -0.133 | -0.024 | -0.082 | +0.021 | +0.072 | -0.067 | +0.130 | +0.030 | -0.102 | +0.072 | -0.086 |
Relative (%) | -46.4 | -8.4 | -28.5 | +7.3 | +25.1 | -23.5 | +45.2 | +10.5 | -35.4 | +25.2 | -30.0 | |
Steps (reduced) |
6612 (2440) |
9687 (1343) |
11712 (3368) |
13225 (709) |
14433 (1917) |
15438 (2922) |
16300 (3784) |
17053 (365) |
17722 (1034) |
18325 (1637) |
18872 (2184) |