Use the form below to do your conversion.
Solution
Step1
Log1691=Log(91) ÷ Log(16)
Log(91)= 1.9590413923211
Log(16)=1.2041199826559
Log1691=1.9590413923211 ÷ 1.2041199826559
Ans=1.6269486600497
Step2
Alternatively, the logarithm can be calculated like this.