Use the form below to do your conversion.
Solution
Step1
Log217045=Log(7045) ÷ Log(21)
Log(7045)= 3.8478809974454
Log(21)=1.3222192947339
Log217045=3.8478809974454 ÷ 1.3222192947339
Ans=2.9101685422158
Step2
Alternatively, the logarithm can be calculated like this.