Use the form below to do your conversion.
Solution
Step1
Log201387=Log(1387) ÷ Log(20)
Log(1387)= 3.1420764610733
Log(20)=1.301029995664
Log201387=3.1420764610733 ÷ 1.301029995664
Ans=2.4150684238988
Step2
Alternatively, the logarithm can be calculated like this.