I'm trying to find the number of possible same size dimensions with the same laws as ours that have observable differences using the equation (t/Lp) * Tp * Pt, with t being time until the heat death of the universe, Lp being the time it takes light to go 1 planck (the shortest measurable distance), Pt being the number of cubic plancks that could fit in the universe, and Tp being the number of total possible total number of particles (i.e 0 - Pt). So far I've reduced it to (1.854922 x 10^143) * (10^183)^2. Help?
