Tridecapyth comma: Difference between revisions
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The '''tridecapyth comma''' ({{monzo|legend=1| 28 -20 0 0 0 1 }}, [[ratio]]: 3489660928/3486784401) is an [[unnoticeable comma|unnoticeable]] [[13-limit]] [[comma]] which measures roughly 1.43 [[cent]]s. It is the interval which separates [[13/8]] and a stack of twenty [[3/2|perfect fifths (3/2)]] octave reduced, and which separates [[16/13]] and a stack of four [[256/243|Pythagorean limmas (256/243)]]. In terms of commas, it is the difference between the [[1053/1024|tridecimal quartertone (1053/1024)]] and a stack of two [[Pythagorean comma]]s. | The '''tridecapyth comma''' ({{monzo|legend=1| 28 -20 0 0 0 1 }}, [[ratio]]: 3489660928/3486784401) is an [[unnoticeable comma|unnoticeable]] [[13-limit]] [[comma]] which measures roughly 1.43 [[cent]]s. It is the interval which separates [[13/8]] and a stack of twenty [[3/2|perfect fifths (3/2)]] octave reduced, and which separates [[16/13]] and a stack of four [[256/243|Pythagorean limmas (256/243)]]. It is perhaps more easily conceptualized as reaching [[13/4]] through ([[9/8]])<sup>10</sup>. In terms of commas, it is the difference between the [[1053/1024|tridecimal quartertone (1053/1024)]] and a stack of two [[Pythagorean comma]]s. | ||