Rainy comma

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Interval information
Ratio 2100875/2097152
Monzo [-21 0 3 5
Size in cents 3.07067
Name(s) rainy comma
Color name Quinzotriyo comma

2100875/2097152, the rainy comma, is a 7-limit unnoticeable comma of about 3.07 cents. It is the amount by which three 5/4s fall short of five 8/7s, or the amount by which 16807/16384 exceeds 128/125. It is tempered out by 31edo and 171edo.