Slendroschisma

Slendrisma or slendric schisma is a 7-limit unnoticeable comma of measuring 1.97 cents, with frequency ratio of 68719476736/68641485507. It is the amount by which a stack of five 147/128s falls short of an octave. By tempering it out leads to the slendrismic temperament, which splits the octave into five equal parts.

Interval information

Ratio	68719476736/68641485507
Factorization	236 × 3-5 × 7-10
Monzo	[36 -5 0 -10⟩
Size in cents	1.965931¢
Names	slendrisma, slendric schisma
Color name	ssr10-4, sasa-quinbiru negative 4th
FJS name	[math]\displaystyle{ \text{dd}{-4}_{7,7,7,7,7,7,7,7,7,7} }[/math]
Special properties	reduced, reduced subharmonic
Tenney norm (log2 nd)	71.9984
Weil norm (log2 max(n, d))	72
Wilson norm (sopfr(nd))	157
Comma size	unnoticeable
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Etymology

The name slendrisma was named by Xenllium in 2024. It is a contraction of slendric schisma into a single word; not to be confused with slendric comma (1029/1024, 8.43¢) or slendro comma (49/48, 35.7¢).

See also

• Unnoticeable comma