Use the form below to do your conversion.
Solution
Step1
Log20851=Log(851) ÷ Log(20)
Log(851)= 2.9299295600846
Log(20)=1.301029995664
Log20851=2.9299295600846 ÷ 1.301029995664
Ans=2.2520076937883
Step2
Alternatively, the logarithm can be calculated like this.