Use the form below to do your conversion.
Solution
Step1
Log217901=Log(7901) ÷ Log(21)
Log(7901)= 3.8976820617964
Log(21)=1.3222192947339
Log217901=3.8976820617964 ÷ 1.3222192947339
Ans=2.9478332961256
Step2
Alternatively, the logarithm can be calculated like this.