Use the form below to do your conversion.
Solution
Step1
Log216691=Log(6691) ÷ Log(21)
Log(6691)= 3.8254910298794
Log(21)=1.3222192947339
Log216691=3.8254910298794 ÷ 1.3222192947339
Ans=2.8932349158082
Step2
Alternatively, the logarithm can be calculated like this.