Harrison's comma

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.

Its monzo is | -13 10 0 -1 >

Its value is 50.72410 cents.

59049/57344