Llywelynsma

Interval information

Ratio	4194304/4117715
Factorization	222 × 5-1 × 7-7
Monzo	[22 0 -1 -7⟩
Size in cents	31.90494¢
Name	llywelyn comma
FJS name	[math]\displaystyle{ \text{d}{-3}_{5,7,7,7,7,7,7,7} }[/math]
Special properties	reduced, reduced subharmonic
Tenney height (log2 nd)	43.9734
Weil height (log2 max(n, d))	44
Wilson height (sopfr(nd))	98
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4194304/4117715, the llywelyn comma (named after Llywelyn Bren), is a 7-limit medium comma. It is the amount by which seven 8/7s exceed an octave plus a 5/4. Tempering out this comma for the 2.5.7 subgroup leads to llywelyn temperament, which includes 16edo and 37edo.