261/256

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Interval information
Ratio 261/256
Subgroup monzo 2.3.29 [5 -6 1⟩
Size in cents 33.48719588¢
Names 29-limit ~sixth tone (HEJI)

261/256, the 29-limit ~sixth tone, is a 2.3.29 subgroup comma. It is the amount by which 29/16 (the 29th harmonic) exceeds the Pythagorean minor seventh (16/9). It is significant in Helmholtz-Ellis notation as the formal comma to translate a Pythagorean interval to a nearby 29-limit (prefix???) interval.

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