Use the form below to do your conversion.
Solution
Step1
Log2117971=Log(17971) ÷ Log(21)
Log(17971)= 4.2545722441874
Log(21)=1.3222192947339
Log2117971=4.2545722441874 ÷ 1.3222192947339
Ans=3.2177508384065
Step2
Alternatively, the logarithm can be calculated like this.