Megabyte comma

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Interval information
Ratio 1048576/1048575
Subgroup monzo [20 -1 -2 -1 -1 -1
Size in cents 0.0016510342¢
Name megabyte comma
Color name s41u31u1ugg3, safowuthiwulugugu 3rd,
Safowuthiwulugugu comma
FJS name [math]\text{dd3}_{5,5,11,31,41}[/math]
Special properties square superparticular,
Tenney height (log2 nd) 40
Weil height (log2 max(n, d)) 40
Wilson height (sopfr (nd)) 136
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~1.19982 bits
Comma size unnoticeable
open this interval in xen-calc

1048576/1048575, the megabyte comma is a 41-limit superparticular comma of about 0.00165 cents. It is the amount by which a stack consisting of 16/15, 32/31 and 64/55 exceeds 41/32. This comma is notably tempered by 311edo, an excellent 41-limit temperament.


The word megabyte for this comma was introduced by Xenllium in 2023. It often refers to 1048576 (220) bytes instead of 1000000, arising from the prevalence of sizes that are powers of two in modern digital memory architectures.

See also