Use the form below to do your conversion.
Solution
Step1
Log219121=Log(9121) ÷ Log(21)
Log(9121)= 3.9600424557268
Log(21)=1.3222192947339
Log219121=3.9600424557268 ÷ 1.3222192947339
Ans=2.9949967236893
Step2
Alternatively, the logarithm can be calculated like this.