Use the form below to do your conversion.
Solution
Step1
Log219727=Log(9727) ÷ Log(21)
Log(9727)= 3.9879789158755
Log(21)=1.3222192947339
Log219727=3.9879789158755 ÷ 1.3222192947339
Ans=3.0161251857076
Step2
Alternatively, the logarithm can be calculated like this.