Use the form below to do your conversion.
Solution
Step1
Log213785=Log(3785) ÷ Log(21)
Log(3785)= 3.5780658838361
Log(21)=1.3222192947339
Log213785=3.5780658838361 ÷ 1.3222192947339
Ans=2.7061062397793
Step2
Alternatively, the logarithm can be calculated like this.