Add the 1st 3 digits of e to the 1st 3 digits of pi.................and u get the golden ratio..........close to it............................and two 13's.......................1st 3 digits............words into math...........13........

e (Euler's Number)

The number e is a famous irrational number, and is one of the most important numbers in mathematics.
The first few digits are:

2.7182818284590452353602874713527 (and more ...)