Use the form below to do your conversion.
Solution
Step1
Log21979=Log(979) ÷ Log(21)
Log(979)= 2.9907826918031
Log(21)=1.3222192947339
Log21979=2.9907826918031 ÷ 1.3222192947339
Ans=2.2619414976885
Step2
Alternatively, the logarithm can be calculated like this.