4000/3993: Difference between revisions
+13-limit factorization |
+another identity in terms of comma difference |
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'''4000/3993''', the '''wizardharry comma''', is an [[unnoticeable comma|unnoticeable]] [[11-limit]] [[comma]] with a size of roughly 3.03 [[cents]]. It is the amount by which a stack of three [[11/10]] submajor seconds falls short of the [[4/3]] perfect fourth. | '''4000/3993''', the '''wizardharry comma''', is an [[unnoticeable comma|unnoticeable]] [[11-limit]] [[comma]] with a size of roughly 3.03 [[cents]]. It is the amount by which a stack of three [[11/10]] submajor seconds falls short of the [[4/3]] perfect fourth. | ||
In terms of commas, it is the difference between [[540/539]] and [[9801/9800]]. It factors into 13-limit commas as ([[1575/1573]])([[2080/2079]]) or ([[625/624]])([[6656/6655]]). | In terms of commas, it is the difference between [[100/99]] and [[121/120]], and between [[540/539]] and [[9801/9800]]. It factors into 13-limit commas as ([[1575/1573]])([[2080/2079]]) or ([[625/624]])([[6656/6655]]). | ||
== Temperaments == | == Temperaments == | ||