Use the form below to do your conversion.
Solution
Step1
Log2113987=Log(13987) ÷ Log(21)
Log(13987)= 4.1457245748807
Log(21)=1.3222192947339
Log2113987=4.1457245748807 ÷ 1.3222192947339
Ans=3.1354288894377
Step2
Alternatively, the logarithm can be calculated like this.