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82/81

Revision as of 03:54, 24 September 2023 by Stephen Weigel (talk | contribs) (Created for HEJI)
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Interval information
Ratio 82/81
Subgroup monzo 2.3.41 [1 -4 1⟩
Size in cents 21.242402¢
Names 41-limit Johnston comma (HEJI)

82/81, or the 41-limit Johnston comma (HEJI), is a 2.3.41 subgroup comma. It is the amount by which 41/32 (the 41st harmonic) exceeds the Pythagorean major third (ditone) of 81/64. It is significant in Helmholtz-Ellis notation as the formal comma to translate a Pythagorean interval to a nearby 41-limit (prefix???) interval.

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