This is important to me:
My universal tonic is F where F/A = 4/5
A = 432(13.5) so F = 345.6 (10.8)
A = 432 is the frequencies which resonates with the human body electrical system.
Numerologically my system being based on F = 10.8 is a "9"
My scales are based on the 64 harmonics in the 7th octave.