Use the form below to do your conversion.
Solution
Step1
Log215393=Log(5393) ÷ Log(21)
Log(5393)= 3.7318304202882
Log(21)=1.3222192947339
Log215393=3.7318304202882 ÷ 1.3222192947339
Ans=2.8223990038197
Step2
Alternatively, the logarithm can be calculated like this.