225/224

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Revision as of 22:06, 24 February 2021 by Godtone (talk | contribs) (gave another example and made it clear from the writing which of each pair of intervals is bigger)
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Interval information
Ratio 225/224
Factorization 2-5 × 32 × 52 × 7-1
Monzo [-5 2 2 -1⟩
Size in cents 7.711523¢
Names septimal kleisma,
marvel comma
Color name ryy-2, ruyoyo negative 2nd
FJS name [math]\displaystyle{ \text{d}{-2}^{25}_{7} }[/math]
Special properties square superparticular,
reduced
Tenney height (log2 nd) 15.6211
Weil height (log2 max(n, d)) 15.6276
Wilson height (sopfr(nd)) 33
Open this interval in xen-calc

The interval of 225/224, the septimal kleisma or marvel comma is a superparticular 7-limit ratio. It pops up as the difference between pairs of 7-limit ratios, for example as (15/14)/(16/15) or (45/32)/(7/5). It is tempered out in temperaments of the marvel family.

See also

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