250/243: Difference between revisions

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{{Infobox Interval
{{Infobox Interval
| Ratio = 250/243
| Name = porcupine comma, maximal diesis
| Monzo = 1 -5 3
| Cents = 49.16614
| Name = porcupine comma, <br>maximal diesis
| Color name = y<sup>3</sup>1, Triyo comma
| Color name = y<sup>3</sup>1, Triyo comma
| FJS name =
| Comma = yes
| Sound =  
}}
}}


'''250/243''' is known as the '''porcupine comma''' or '''maximal diesis'''. Measuring about 49{{cent}}, it is a [[medium comma]]. It is the amount by which two [[10/9|minor whole tones]] exceed a minor third, that is, (10/9)<sup>2</sup>/(6/5). Tempering it out leads to [[5-limit]] [[Porcupine family|porcupine temperament]].
'''250/243''' is known as the '''porcupine comma''' or '''maximal diesis'''. Measuring about 49{{cent}}, it is a [[medium comma]]. It is the amount by which two [[10/9|minor whole tones]] exceed a minor third, that is, (10/9)<sup>2</sup>/(6/5). Tempering it out leads to [[5-limit]] [[Porcupine family|porcupine temperament]].


[[Category:5-limit]]
[[Category:Medium commas]]
[[Category:Porcupine]]
[[Category:Porcupine]]


{{todo|improve layout}}
{{todo|improve layout}}

Revision as of 14:31, 25 October 2022

Interval information
Ratio 250/243
Factorization 2 × 3-5 × 53
Monzo [1 -5 3
Size in cents 49.16614¢
Names porcupine comma,
maximal diesis
Color name y31, Triyo comma
FJS name [math]\displaystyle{ \text{A1}^{5,5,5} }[/math]
Special properties reduced
Tenney norm (log2 nd) 15.8906
Weil norm (log2 max(n, d)) 15.9316
Wilson norm (sopfr(nd)) 32
Comma size medium
S-expression S102⋅S11
Open this interval in xen-calc

250/243 is known as the porcupine comma or maximal diesis. Measuring about 49 ¢, it is a medium comma. It is the amount by which two minor whole tones exceed a minor third, that is, (10/9)2/(6/5). Tempering it out leads to 5-limit porcupine temperament.