Use the form below to do your conversion.
Solution
Step1
Log214099=Log(4099) ÷ Log(21)
Log(4099)= 3.6126779183165
Log(21)=1.3222192947339
Log214099=3.6126779183165 ÷ 1.3222192947339
Ans=2.7322834666722
Step2
Alternatively, the logarithm can be calculated like this.