Use the form below to do your conversion.
Solution
Step1
Log2018139=Log(18139) ÷ Log(20)
Log(18139)= 4.2586133408027
Log(20)=1.301029995664
Log2018139=4.2586133408027 ÷ 1.301029995664
Ans=3.2732629954695
Step2
Alternatively, the logarithm can be calculated like this.