2187/2185

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Interval information
Ratio 2187/2185
Subgroup monzo 3.5.19.23 [7 -1 -1 -1
Size in cents 1.583929¢
Name vashegyitisma
Color name L23u19ug-2
latwethunugu negative 2nd
FJS name [math]\text{P1}_{5,19,23}[/math]
Special properties reduced
Tenney height (log2 nd) 22.1882
Weil height (log2 max(n, d)) 22.1895
Wilson height (sopfr(nd)) 68
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~1.22168 bits
Comma size unnoticeable
Open this interval in xen-calc

2187/2185, the vashegyitisma, is a 23-limit (also 3.5.19.23 subgroup) unnoticeable comma of about 1.6 cents.

Commatic relationships

This comma is the difference between the following intervals:

It can be factored into the following ratios:

Temperaments

Tempering out this comma in the full 23-limit leads to the rank-8 temperament vashegyitismic. Using the 3.5.19.23 subgroup leads to the rank-3 temperament vashegyitic.

Vashegyitic

Subgroup: 3.5.19.23

Comma list: 2187/2185

Mapping:

[⟨ 1 1 2 4 ],
0 1 0 -1 ],
0 0 1 -1 ]]

Optimal tuning (CTE): ~3 = 1\1, ~5/3 = 884.553, ~19/9 = 1294.254

Optimal ET sequence: b6, b9, b13, b28, b69, b97, b103, b116, b144, b172, b316, b673, b817, b845, b989, b1305, b2294hi, b3599chhii

Badness (Sintel): 0.020

Etymology

This comma was named by Francium in 2025. It refers to Vashegyite, the mineral.

See also