4 log 16Here is the answer to questions like: Log base 16 of 4 or what is the base 16 log of 4? Use our | Log16 calculator to find the logarithm of any positive number for any number base you enter.Logarithm calculator to generate step by step calculation for how to find what is log base 4 of 16? Logarithm base 4 of 16 is 2. log 4 (16)