Use the form below to do your conversion.
Solution
Step1
Log213139=Log(3139) ÷ Log(21)
Log(3139)= 3.4967913157
Log(21)=1.3222192947339
Log213139=3.4967913157 ÷ 1.3222192947339
Ans=2.6446379429093
Step2
Alternatively, the logarithm can be calculated like this.