Use the form below to do your conversion.
Solution
Step1
Log207991=Log(7991) ÷ Log(20)
Log(7991)= 3.9026011306665
Log(20)=1.301029995664
Log207991=3.9026011306665 ÷ 1.301029995664
Ans=2.9996242543777
Step2
Alternatively, the logarithm can be calculated like this.