Use the form below to do your conversion.
Solution
Step1
Log2012991=Log(12991) ÷ Log(20)
Log(12991)= 4.1136425827717
Log(20)=1.301029995664
Log2012991=4.1136425827717 ÷ 1.301029995664
Ans=3.1618353123921
Step2
Alternatively, the logarithm can be calculated like this.