Use the form below to do your conversion.
Solution
Step1
Log212161=Log(2161) ÷ Log(21)
Log(2161)= 3.3346547668832
Log(21)=1.3222192947339
Log212161=3.3346547668832 ÷ 1.3222192947339
Ans=2.5220133907926
Step2
Alternatively, the logarithm can be calculated like this.