12122/12121

Interval information

Ratio	12122/12121
Factorization	2 × 11 × 17-1 × 19 × 23-1 × 29 × 31-1
Monzo	[1 0 0 0 1 0 -1 1 -1 1 -1⟩
Size in cents	0.1428234¢
Name(s)	missing ?
FJS name	[math]\displaystyle{ \text{d2}^{11,19,29}_{17,23,31} }[/math]
Special properties	superparticular, reduced
Tenney norm (log2 nd)	27.1306
Weil norm (log2 max(n, d))	27.1307
Wilson norm (sopfr(nd))	132
Comma size	unnoticeable
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12122/12121 is a 31-limit superparticular comma of about 1/7 ¢. It relates many higher primes together while containing only one factor of each.

Commatic relationships

This comma is the difference between the following superparticular pairs:

• 2109/2108 and 2553/2552
• 2233/2232 and 2737/2736

In addition to some non-superparticular but useful pairs:

• 715/713 and 1105/1102

See also

• Small comma
• List of superparticular intervals