Use the form below to do your conversion.
Solution
Step1
Log213901=Log(3901) ÷ Log(21)
Log(3901)= 3.5911759503118
Log(21)=1.3222192947339
Log213901=3.5911759503118 ÷ 1.3222192947339
Ans=2.7160214380584
Step2
Alternatively, the logarithm can be calculated like this.