why is triangle smaller then the illuminati

You happen to have an unneccessary character in your number, so I simply removed it. Therefore, this answer may be wrong, but I calculated it:

 

9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999-847189413294613278413278471329432674813248013469327370413248613289465132=

 

9999999999999999999999999999999999152810586705386721586721528670567325186751986530672629586751386710534867