Use the form below to do your conversion.
Solution
Step1
Log216397=Log(6397) ÷ Log(21)
Log(6397)= 3.8059763507176
Log(21)=1.3222192947339
Log216397=3.8059763507176 ÷ 1.3222192947339
Ans=2.8784758820839
Step2
Alternatively, the logarithm can be calculated like this.