Use the form below to do your conversion.
Solution
Step1
Log207891=Log(7891) ÷ Log(20)
Log(7891)= 3.8971320433821
Log(20)=1.301029995664
Log207891=3.8971320433821 ÷ 1.301029995664
Ans=2.9954205947367
Step2
Alternatively, the logarithm can be calculated like this.