Use the form below to do your conversion.
Solution
Step1
Log211691=Log(1691) ÷ Log(21)
Log(1691)= 3.2281436075977
Log(21)=1.3222192947339
Log211691=3.2281436075977 ÷ 1.3222192947339
Ans=2.4414585541556
Step2
Alternatively, the logarithm can be calculated like this.