11440/11439

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Interval information
Ratio 11440/11439
Subgroup monzo 2.3.5.11.13.31.41 [4 -2 1 1 1 -1 -1
Size in cents 0.1513383¢
Name massironisma
Color name 41u31u3o1oy2
fowuthiwutholoyo 2nd
FJS name [math]\displaystyle{ \text{d2}^{5,11,13}_{31,41} }[/math]
Special properties superparticular,
reduced
Tenney height (log2 nd) 26.9635
Weil height (log2 max(n, d)) 26.9636
Wilson height (sopfr(nd)) 115
Harmonic entropy
(Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])
~1.19843 bits
Comma size unnoticeable
Open this interval in xen-calc

11440/11439, the massironisma, is a 41-limit superparticular comma of about 0.15 cents.

Commatic relationships

This comma is the difference between the following superparticular pairs:

It can be factored into the following superparticular ratios:

Temperaments

Tempering out this comma in the full 41-limit leads to the rank-12 temperament massironismic. Using the 2.3.5.11.13.31.41 subgroup leads to the rank-6 temperament massironic.

Massironic

Subgroup: 2.3.5.11.13.31.41

Comma list: 11440/11439

Mapping:

[⟨ 1 1 2 3 3 4 6 ],
0 1 0 0 0 0 -2 ],
0 0 1 0 0 0 1 ],
0 0 0 1 0 0 1 ],
0 0 0 0 1 0 1 ],
0 0 0 0 0 1 -1 ]]

Optimal tuning (CTE): ~2 = 1\1, ~3/2 = 701.963, ~5/4 = 386.305, ~11/8 = 551.299, ~13/8 = 840.506, ~31/16 = 1145.075

Optimal ET sequence5, 7fkm, 7m, 8, 9, 10ekm, 10k, 12e, 12fkm, 15m, 19em, 19, 24, 31, 34k, 38fm, 41, 46, 53k, 58k, 79, 87, 183, 190, 217, 224, 277, 335, 422, 441, 528, 566. 590, 612, 677, 954, 1178, 1289, 1395, 1730, 1817, 2277, 2407, 2494, 3448, 3672, 4349, 5178m, 5855m, 5942, 6079, 6166, 6843, 8132, 9527m

Badness (Sintel): 0.051

Music

Etymology

This comma was named by Francium in 2025. It refers to 11440 Massironi, the asteroid, which in turn was named after Matteo Massironi, a professor at the University of Padova.

See also