Use the form below to do your conversion.
Solution
Step1
Log217895=Log(7895) ÷ Log(21)
Log(7895)= 3.8973521343443
Log(21)=1.3222192947339
Log217895=3.8973521343443 ÷ 1.3222192947339
Ans=2.9475837706094
Step2
Alternatively, the logarithm can be calculated like this.