I'm sorry but I'm jewish and I have no idea what you're talking about. Six is a magical/religious number?
This is the first time I hear about it.
[source needed]
"The number six symbolizes imperfection". No idea if and how that would relate to the six million in relation to the Holocaust.
Then if you go to https://en.wikipedia.org/wiki/Biblical_numerology#Numerical_... there's some more details.