Use the form below to do your conversion.
Solution
Step1
Log1010991=Log(10991) ÷ Log(10)
Log(10991)= 4.041037207867
Log(10)=1
Log1010991=4.041037207867 ÷ 1
Ans=4.041037207867
Step2
Alternatively, the logarithm can be calculated like this.