Harrison's comma

Interval information

Ratio	59049/57344
Factorization	2-13 × 310 × 7-1
Monzo	[-13 10 0 -1⟩
Size in cents	50.7241¢
Name	Harrison's comma
FJS name	[math]\displaystyle{ \text{d}{-2}_{7} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	31.657
Weil norm (log2 max(n, d))	31.6993
Wilson norm (sopfr(nd))	63
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59049/57344, or Harrison's comma, is the amount by which ten 3/2s exceed 7/4 (all octave-reduced). In other words, (3/2)¹⁰ = 7 ⋅ 59049/57344. It is tempered out in septimal meantone, where ten generators is mapped to 7/4.