Valentine comma

The valentine comma (ratio: 1990656/1953125, monzo: [13 5 -9⟩ is a medium 5-limit comma. It is the amount by which a stack of four 25/24's falls short of 6/5, or a stack of five 25/24's falls short of 5/4. In terms of commas it is the difference between the lesser diesis (128/125) and the kleisma (15625/15552). Tempering it out leads to the 5-limit version of valentine temperament.

Interval information

Ratio	1990656/1953125
Factorization	213 × 35 × 5-9
Monzo	[13 5 -9⟩
Size in cents	32.95158¢
Name	valentine comma
Color name	satritrigu 3rd, sg93
FJS name	[math]\displaystyle{ \text{dddd3}_{5,5,5,5,5,5,5,5,5} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	41.8222
Weil norm (log2 max(n, d))	41.8496
Wilson norm (sopfr(nd))	86
Comma size	medium
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