46/45
| Interval information |
reduced
46/45 or the 23rd-partial chroma is a superparticular interval of about 38.1 ¢. It is the formal comma used to express 23-limit intervals in Ben Johnston's notation, being expressed with a "23", while its reciprocal is denoted as 23 (a turned 23).
Sagittal notation
In the Sagittal system, this comma (possibly tempered) is represented by the sagittal and is called the 23/5 small diesis, or 23/5S for short, because the simplest ratio it notates is (4·5):23, as for example in C:D . The downward version is called 5/23S or 23/5S up and is represented by .