Use the form below to do your conversion.
Solution
Step1
Log211357=Log(1357) ÷ Log(21)
Log(1357)= 3.1325798476597
Log(21)=1.3222192947339
Log211357=3.1325798476597 ÷ 1.3222192947339
Ans=2.3691832815752
Step2
Alternatively, the logarithm can be calculated like this.