Use the form below to do your conversion.
Solution
Step1
Log2113687=Log(13687) ÷ Log(21)
Log(13687)= 4.1363082672558
Log(21)=1.3222192947339
Log2113687=4.1363082672558 ÷ 1.3222192947339
Ans=3.1283072964747
Step2
Alternatively, the logarithm can be calculated like this.