Mebisma

Interval information

Ratio	1048576/1048575
Subgroup monzo	2.3.5.11.31.41 [20 -1 -2 -1 -1 -1⟩
Size in cents	0.001651034¢
Name	megabyte comma
Color name	s41u31u1ugg3, safowuthiwulugugu 3rd, Safowuthiwulugugu comma
FJS name	[math]\displaystyle{ \text{dd3}_{5,5,11,31,41} }[/math]
Special properties	square superparticular, reduced, reduced subharmonic
Tenney norm (log2 nd)	40
Weil norm (log2 max(n, d))	40
Wilson norm (sopfr(nd))	136
Comma size	unnoticeable
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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.

Etymology

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

• Unnoticeable comma
• List of superparticular intervals
• Kilobyte comma (1024/1023)