Use the form below to do your conversion.
Solution
Step1
Log217663=Log(7663) ÷ Log(21)
Log(7663)= 3.8843988255567
Log(21)=1.3222192947339
Log217663=3.8843988255567 ÷ 1.3222192947339
Ans=2.9377871288275
Step2
Alternatively, the logarithm can be calculated like this.