Use the form below to do your conversion.
Solution
Step1
Log217939=Log(7939) ÷ Log(21)
Log(7939)= 3.8997658019444
Log(21)=1.3222192947339
Log217939=3.8997658019444 ÷ 1.3222192947339
Ans=2.9494092375419
Step2
Alternatively, the logarithm can be calculated like this.