Just wondering if you've ever had your chart done with your birth time/place? This too sheds light on the energies operating in life. Isabel Hickey's "Astrology A Cosmic Science" is fascinating in this respect.
Pisces is an extremely sensitive/psychic sign with a deep love of music. I quote Isabel: "the world is not their habitat & the need to escape from it is very strong."
It's been said that Jesus was a Pisces, hence the association with the symbolic fish.
I'm not very familiar with numerology but what you state makes sense.