Use the form below to do your conversion.
Solution
Step1
Log215047=Log(5047) ÷ Log(21)
Log(5047)= 3.7030333047337
Log(21)=1.3222192947339
Log215047=3.7030333047337 ÷ 1.3222192947339
Ans=2.8006196245071
Step2
Alternatively, the logarithm can be calculated like this.