What is the value of log5?

The value of (\log 5) depends on the base of the logarithm. If it is the common logarithm (base 10), (\log_{10} 5 \approx 0.699). If it is the natural logarithm (base (e)), (\ln 5 \approx 1.609). For base 5, (\log_5 5 = 1).