Use the form below to do your conversion.
Solution
Step1
Log21971=Log(971) ÷ Log(21)
Log(971)= 2.987219229908
Log(21)=1.3222192947339
Log21971=2.987219229908 ÷ 1.3222192947339
Ans=2.2592464365067
Step2
Alternatively, the logarithm can be calculated like this.