4 log 1612 Using the color(blue)law of logs color(red)(|bar(ul(color(white)(aa)color(black)(log_b a=nhArra=b^n)color(white)(aa)Here 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.