Use the form below to do your conversion.
Solution
Step1
Log189971=Log(9971) ÷ Log(18)
Log(9971)= 3.9987387162558
Log(18)=1.2552725051033
Log189971=3.9987387162558 ÷ 1.2552725051033
Ans=3.1855542919955
Step2
Alternatively, the logarithm can be calculated like this.