Even in this age of accelerated intelligence, no one can be certain what is the Ultimate Question although Deep Thought did arrive at 42 as the Answer to the Ultimate Question of Life, The Universe, and Everything. [reference
Taking this all back to the beginning, we are aware that there are just as many matters as there are anti-matters ... kinda like the yin-yang of all matters.
How I came about with the solution is a very simple conclusion without even whiteboard computations on base 13. It's TWENTY-ONE ... and we can all go on with our lives with the satisfaction that all has been answered and satisfied. Don't Panic, it's a Magic Number.