28672/28561

Interval information
Ratio	28672/28561
Factorization	212 × 7 × 13-4
Monzo	[12 0 0 1 0 -4⟩
Size in cents	6.715259¢
Name	voltage comma
Color name	3u4z1, quadthu-azo unison
FJS name	[math]\displaystyle{ \text{AA1}^{7}_{13,13,13,13} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	29.6091
Weil norm (log2 max(n, d))	29.6147
Wilson norm (sopfr(nd))	83
Comma size	small
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28672/28561 (the voltage comma) is a small comma in the 2.7.13 subgroup. It is the difference between the threedie and the secorian comma, or between 169/168 and 512/507 (= 16/13 ÷ 39/32). Tempering it out leads to voltage temperament (supported by 10, 27, 37, 84, 94, and 104edo) and its extensions, such as beatles.