256/255

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Interval information
Ratio 256/255
Factorization 28 × 3-1 × 5-1 × 17-1
Monzo [8 -1 -1 0 0 0 -1
Size in cents 6.7758758¢
Names septendecimal kleisma,
255th subharmonic
FJS name [math]\text{P1}_{5,17}[/math]
Special properties square superparticular,
reduced,
reduced subharmonic
Tenney height (log2 n⋅d) 15.9944
Weil height (max(n, d)) 256
Benedetti height (n⋅d) 65280
Harmonic entropy
(Shannon, [math]\sqrt{n\cdot d}[/math])
~2.59221 bits
Comma size small
S-expression S16
open this interval in xen-calc

256/255, the septendecimal kleisma, or 255th subharmonic, is a small 17-limit superparticular comma about 6.8 cents in size. It forms the amount by which a stack consisting of 15/8 and 17/16 falls short of an octave. It differs from 352/351 (the minthma) by 936/935 – an unnoticeable comma measuring about 1.85 cents.

See also