117649/117128: Difference between revisions

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'''117649/117128''' is a small comma in the 2.7.11 subgroup. It is the amount by which ([[49/44]])<sup>3</sup> exceeds [[11/8]]. It is also the amount by which six [[8/7]] wholetones [[octave reduction|octave-reduced]] (equivalently 8/7 lowered by the [[cloudy comma]]) fall short of two [[128/121]] semitones.
'''117649/117128''' is a small comma in the 2.7.11 subgroup. It is the amount by which ([[49/44]])<sup>3</sup> exceeds [[11/8]]. It is also the amount by which six [[8/7]] wholetones [[octave reduction|octave-reduced]] (equivalently 8/7 lowered by the [[cloudy comma]]) fall short of two [[128/121]] semitones.


Some edos that temper it out are [[20edo]], [[26edo]], [[46edo]], [[58edo]], [[72edo]], [[84edo]], and [[98edo]]. 26edo in particular is quite accurate for its size in the 2.5.7 subgroup.
Some edos that temper it out are [[20edo]], [[26edo]], [[46edo]], [[58edo]], [[72edo]], [[84edo]], and [[98edo]]. 26edo in particular is quite accurate for its size in the 2.7.11 subgroup.

Revision as of 01:54, 21 February 2026

Interval information
Ratio 117649/117128
Factorization 2-3 × 76 × 11-4
Monzo [-3 0 0 6 -4
Size in cents 7.683669¢
Name Bilulutrizo
Color name 1u4z64, bilulutrizo 4th
FJS name [math]\displaystyle{ \text{d4}^{7,7,7,7,7,7}_{11,11,11,11} }[/math]
Special properties reduced
Tenney norm (log2 nd) 33.6819
Weil norm (log2 max(n, d)) 33.6883
Wilson norm (sopfr(nd)) 92
Comma size small
Open this interval in xen-calc

117649/117128 is a small comma in the 2.7.11 subgroup. It is the amount by which (49/44)3 exceeds 11/8. It is also the amount by which six 8/7 wholetones octave-reduced (equivalently 8/7 lowered by the cloudy comma) fall short of two 128/121 semitones.

Some edos that temper it out are 20edo, 26edo, 46edo, 58edo, 72edo, 84edo, and 98edo. 26edo in particular is quite accurate for its size in the 2.7.11 subgroup.