4 log 16Here is the answer to questions like: Calculate 4 log of 16 or what is the base 4 log of 16? Use our | Log4 calculator to find the logarithm of any positive number for any number base you enter.Rewrite log(16) log (16) as log(24) log (2 4). Expand log(24) log (2 4) by moving 4 4 outside the logarithm. Rewrite log(4) log (4) as log(22) log (2 2). Expand log(22) log (2 2) by moving