Tridecimal eighth-octave comma

Interval information

Ratio	17303/17280
Factorization	2-7 × 3-3 × 5-1 × 113 × 13
Monzo	[-7 -3 -1 0 3 1⟩
Size in cents	2.302772¢
Name	Tridecimal eighth-octave comma
Color name	3o1o3g1 thotrilo-agu unison
FJS name	[math]\displaystyle{ \text{dd1}^{11,11,11,13}_{5} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	28.1556
Weil norm (log2 max(n, d))	28.1575
Wilson norm (sopfr(nd))	74
Comma size	unnoticeable
S-expression	S11/S12
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17303/17280, the tridecimal eighth-octave comma, is an unnoticable comma that is the difference between three 12/11 neutral seconds and a 13/10 supermajor third. It is tempered out in low EDOs that are a multiple of 8, along with 214990848/214358881 and 815830271/800000000, defining various 8th-octave temperaments. However, that's not all, as it is also tempered out in EDOs such as 159edo.