No-twos 31-limit

In no-twos 31-limit just intonation, all ratios will contain neither 2 nor primes higher than 31. It is a nonoctave 31-limit system.

Purpose

A purpose of no-twos 31-limit just intonation is to extend the Bohlen-Pierce scale all through the 31-limit.

See also

• The Riemann Zeta Function and Tuning#Removing primes – No-twos Z-function
• EDT – Equal division of the tritave
• User:Contribution/No-twos 31-limit – Includes a large table of no-twos 31-limit intervals