25/11

Interval information

Ratio	25/11
Factorization	52 × 11-1
Monzo	[0 0 2 0 -1⟩
Size in cents	1421.309¢
Name(s)	missing ?
FJS name	[math]\displaystyle{ \text{A9}^{5,5}_{11} }[/math]
Tenney norm (log2 nd)	8.10329
Weil norm (log2 max(n, d))	9.28771
Wilson norm (sopfr(nd))	21
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25/11 - the undecimal major ninth - is an important interval in the no-twos 11-limit. It is approximated in prominent no-twos temperaments such as the zeta EDTs 39edt, 71edt and 131edt. Thus it also appears in the triple Bohlen-Pierce scale, which is near-identical to 39edt.