Use the form below to do your conversion.
Solution
Step1
Log20871=Log(871) ÷ Log(20)
Log(871)= 2.9400181550077
Log(20)=1.301029995664
Log20871=2.9400181550077 ÷ 1.301029995664
Ans=2.2597620076447
Step2
Alternatively, the logarithm can be calculated like this.