Use the form below to do your conversion.
Solution
Step1
Log2012857=Log(12857) ÷ Log(20)
Log(12857)= 4.109139643904
Log(20)=1.301029995664
Log2012857=4.109139643904 ÷ 1.301029995664
Ans=3.1583742554736
Step2
Alternatively, the logarithm can be calculated like this.