Use the form below to do your conversion.
Solution
Step1
Log217313=Log(7313) ÷ Log(21)
Log(7313)= 3.8640955734242
Log(21)=1.3222192947339
Log217313=3.8640955734242 ÷ 1.3222192947339
Ans=2.9224316940571
Step2
Alternatively, the logarithm can be calculated like this.