Use the form below to do your conversion.
Solution
Step1
Log209985=Log(9985) ÷ Log(20)
Log(9985)= 3.9993480692067
Log(20)=1.301029995664
Log209985=3.9993480692067 ÷ 1.301029995664
Ans=3.0739860591497
Step2
Alternatively, the logarithm can be calculated like this.