Use the form below to do your conversion.
Solution
Step1
Log2113721=Log(13721) ÷ Log(21)
Log(13721)= 4.137385764334
Log(21)=1.3222192947339
Log2113721=4.137385764334 ÷ 1.3222192947339
Ans=3.1291222120356
Step2
Alternatively, the logarithm can be calculated like this.