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Interval information
Ratio 621/620
Subgroup monzo [-2 3 -1 1 -1
Size in cents 2.7900635¢
Name owowhatsthisma
Color name 31u23og2, thiwutwethogu 2nd
FJS name [math]\text{P1}^{23}_{5,31}[/math]
Special properties superparticular,
Tenney height (log2 nd) 18.5546
Weil height (log2 max(n, d)) 18.5569
Wilson height (sopfr (nd)) 72
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~1.27223 bits
Comma size unnoticeable
open this interval in xen-calc

621/620, the owowhatsthisma, is a 31-limit superparticular ratio of about 2.79 cents. It is an unnoticeable comma which is the difference between 23/20 and 31/27 or between 27/20 and 31/23.


The name owowhatsthisma was named by HEHEHE I AM A SUPAHSTAR SAGA in 2021. It is a contraction of "Owo, what is this?" and "comma" into a single word.