Use the form below to do your conversion.
Solution
Step1
Log2113981=Log(13981) ÷ Log(21)
Log(13981)= 4.1455382357122
Log(21)=1.3222192947339
Log2113981=4.1455382357122 ÷ 1.3222192947339
Ans=3.1352879603428
Step2
Alternatively, the logarithm can be calculated like this.