Use the form below to do your conversion.
Solution
Step1
Log20151=Log(151) ÷ Log(20)
Log(151)= 2.1789769472932
Log(20)=1.301029995664
Log20151=2.1789769472932 ÷ 1.301029995664
Ans=1.6748091547122
Step2
Alternatively, the logarithm can be calculated like this.