Use the form below to do your conversion.
Solution
Step1
Log2113891=Log(13891) ÷ Log(21)
Log(13891)= 4.1427335113135
Log(21)=1.3222192947339
Log2113891=4.1427335113135 ÷ 1.3222192947339
Ans=3.1331667355128
Step2
Alternatively, the logarithm can be calculated like this.