Use the form below to do your conversion.
Solution
Step1
Log20787=Log(787) ÷ Log(20)
Log(787)= 2.8959747323591
Log(20)=1.301029995664
Log20787=2.8959747323591 ÷ 1.301029995664
Ans=2.22590927343
Step2
Alternatively, the logarithm can be calculated like this.