Use the form below to do your conversion.
Solution
Step1
Log213887=Log(3887) ÷ Log(21)
Log(3887)= 3.5896145406313
Log(21)=1.3222192947339
Log213887=3.5896145406313 ÷ 1.3222192947339
Ans=2.7148405373661
Step2
Alternatively, the logarithm can be calculated like this.