Devicisma: Difference between revisions

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Color name
 
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| Ratio = 633556/633555
| Ratio = 633556/633555
| Name = devicisma
| Name = devicisma
| Color name = 19uu17o3u1o<sup>3</sup>zg1, <br>nunusothutrilo-azogu unison, <br>Nunusothutrilo-azogu comma
| Color name = 19uu17o3u1o<sup>3</sup>zgM, <br>Nunusothutrilo-azoguma
| Comma = yes
| Comma = yes
}}
}}


'''633556/633555''', the '''devicisma''' is a [[19-limit]] [[superparticular]] [[comma]] of measuring 0.00273 [[cent]]s. It is the only superparticular interval that requires full 19-limit JI, and as of 2023, is the smallest known [[PIFE comma|S-PIFE comma]].
'''633556/633555''', the '''devicisma''' is a [[19-limit]] [[superparticular]] [[comma]] of measuring 0.00273 [[cent]]s. It is the only superparticular interval to require full 19-limit JI, and as of 2026, is the smallest known [[PIFE comma|S-PIFE comma]].


== Etymology ==
== Etymology ==

Latest revision as of 09:18, 10 July 2026

Interval information
Ratio 633556/633555
Factorization 22 × 3-3 × 5-1 × 7 × 113 × 13-1 × 17 × 19-2
Monzo [2 -3 -1 1 3 -1 1 -2
Size in cents 0.002732569¢
Name devicisma
Color name 19uu17o3u1o3zgM,
Nunusothutrilo-azoguma
FJS name [math]\displaystyle{ \text{d1}^{7,11,11,11,17}_{5,13,19,19} }[/math]
Special properties superparticular,
reduced
Tenney norm (log2 nd) 38.5462
Weil norm (log2 max(n, d)) 38.5462
Wilson norm (sopfr(nd)) 126
Comma size unnoticeable
Open this interval in xen-calc

633556/633555, the devicisma is a 19-limit superparticular comma of measuring 0.00273 cents. It is the only superparticular interval to require full 19-limit JI, and as of 2026, is the smallest known S-PIFE comma.

Etymology

The name devicisma was named by Xenllium in 2023. It is a clipping of undevicesimal schisma.

See also