Megabyte comma
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| Ratio | 1048576/1048575 |
| Subgroup monzo | 2.3.5.11.31.41 [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, reduced |
| Tenney height (log2 nd) | 40 |
| Weil height (log2 max(n, d)) | 40 |
| Wilson height (sopfr (nd)) | 136 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~2.3983 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.
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.