Use the form below to do your conversion.
Solution
Step1
Log219739=Log(9739) ÷ Log(21)
Log(9739)= 3.9885143658337
Log(21)=1.3222192947339
Log219739=3.9885143658337 ÷ 1.3222192947339
Ans=3.0165301487574
Step2
Alternatively, the logarithm can be calculated like this.