Use the form below to do your conversion.
Solution
Step1
Log215117=Log(5117) ÷ Log(21)
Log(5117)= 3.7090154169721
Log(21)=1.3222192947339
Log215117=3.7090154169721 ÷ 1.3222192947339
Ans=2.805143921091
Step2
Alternatively, the logarithm can be calculated like this.