Use the form below to do your conversion.
Solution
Step1
Log217135=Log(7135) ÷ Log(21)
Log(7135)= 3.8533939774507
Log(21)=1.3222192947339
Log217135=3.8533939774507 ÷ 1.3222192947339
Ans=2.9143380321236
Step2
Alternatively, the logarithm can be calculated like this.