Use the form below to do your conversion.
Solution
Step1
Log20709=Log(709) ÷ Log(20)
Log(709)= 2.8506462351831
Log(20)=1.301029995664
Log20709=2.8506462351831 ÷ 1.301029995664
Ans=2.1910688029358
Step2
Alternatively, the logarithm can be calculated like this.