Use the form below to do your conversion.
Solution
Step1
Log217385=Log(7385) ÷ Log(21)
Log(7385)= 3.868350499648
Log(21)=1.3222192947339
Log217385=3.868350499648 ÷ 1.3222192947339
Ans=2.9256497126117
Step2
Alternatively, the logarithm can be calculated like this.