Immunity comma

Interval information

Ratio	1638400/1594323
Factorization	216 × 3-13 × 52
Monzo	[16 -13 2⟩
Size in cents	47.21242¢
Name	immunity comma
Color name	ssyy2, Sasa-yoyo comma
FJS name	[math]\displaystyle{ \text{m2}^{5,5} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	41.2484
Weil norm (log2 max(n, d))	41.2877
Wilson norm (sopfr(nd))	81
Comma size	medium
Open this interval in xen-calc

The immunity comma (1638400/1594323 = [16 -13 2⟩) is a 5-limit medium comma of about 47.2 cents. Tempering out this comma leads to the immunity family of temperaments.

Etymology

This comma was named by Mike Battaglia in 2011 such that the corresponding temperament is paired with amity.

Perhaps "Immunity," because it's a counterpart to Amity or something like that.

—Mike Battaglia