4 log 16The log base 2 calculator quickly computes the value of the logarithm Similarly, log₂ 16 = 4 or log₂ 32 = 5. But what is, say, log₂ 5? Surely, 514 Explanation: Remember that displaystyle{16}={2}^{{4}} : displaystyle{{log}_{{16}}{left({2}rht)}}={{log}_{{16}}{left({16}^{{frac{{1}}{{4}}}}rht)}}=frac{{1}}{{4}}