It sounds like Plato.
Unless you are in a reality where nothing has to do with itself, volume has everything to do with volume as it is itself.
The simplest form of 23 is 23 itself, and the simplest form of 29 is 29 itself.
analysis itself is a singular form
realistically. As in thinking realistically. Realistically speaking etc.
mm is not a number and so, in itself, it cannot have a fraction form.