1. Where can I find numerical codes for all LATEX Mathematical symbols defined in: http://amath.colorado.edu/documentation/LaTeX/Symbols.pdf
For example, $#62; for ">" symbol.
 
I need these numerical codes for my MathML project. I can find some numeric codes here and there from different sites. But I would like to collect these codes (or at least most of these) from one place.

2. Is the list of LATEX math symbols defined in the above list comprehensive?
 
Thank you in advance,
Saf