Use the form below to do your conversion.
Solution
Step1
Log217907=Log(7907) ÷ Log(21)
Log(7907)= 3.8980117387975
Log(21)=1.3222192947339
Log217907=3.8980117387975 ÷ 1.3222192947339
Ans=2.9480826322247
Step2
Alternatively, the logarithm can be calculated like this.