Use the form below to do your conversion.
Solution
Step1
Log23991=Log(3991) ÷ Log(2)
Log(3991)= 3.601081727784
Log(2)=0.30102999566398
Log23991=3.601081727784 ÷ 0.30102999566398
Ans=11.962534563511
Step2
Alternatively, the logarithm can be calculated like this.