Use the form below to do your conversion.
Solution
Step1
Log201691=Log(1691) ÷ Log(20)
Log(1691)= 3.2281436075977
Log(20)=1.301029995664
Log201691=3.2281436075977 ÷ 1.301029995664
Ans=2.4812215078487
Step2
Alternatively, the logarithm can be calculated like this.