325/324

Interval information

Ratio	325/324
Factorization	2-2 × 3-4 × 52 × 13
Monzo	[-2 -4 2 0 0 1⟩
Size in cents	5.335086¢
Name	marveltwin comma
FJS name	[math]\displaystyle{ \text{P1}^{25,13} }[/math]
Special properties	superparticular, reduced
Tenney height (log2 nd)	16.6841
Weil height (log2 max(n, d))	16.6886
Wilson height (sopfr(nd))	39
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The marveltwin comma, 325/324, is a 13-limit (also 2.3.5.13 subgroup) comma measuring about 5.3 cents. Its significance is in that it can be expressed as (10/9)²/(16/13), (25/18)/(18/13) and (25/24)/(27/26), among other expressions.

It factors into (625/624)(676/675), (385/384)(2080/2079), (364/363)(3025/3024), (352/351)(4225/4224), or (351/350)(4375/4374).

Tempering it out leads to the rank-five marveltwin temperament, which identifies 16/13 by two 10/9's stacked.

See also

• Marveltwin
• Marveltwin triad
• Comma
• List of superparticular intervals