Use the form below to do your conversion.
Solution
Step1
Log20691=Log(691) ÷ Log(20)
Log(691)= 2.8394780473742
Log(20)=1.301029995664
Log20691=2.8394780473742 ÷ 1.301029995664
Ans=2.1824846904664
Step2
Alternatively, the logarithm can be calculated like this.