Use the form below to do your conversion.
Solution
Step1
Log131391=Log(1391) ÷ Log(13)
Log(1391)= 3.143327129992
Log(13)=1.1139433523068
Log131391=3.143327129992 ÷ 1.1139433523068
Ans=2.8218015965378
Step2
Alternatively, the logarithm can be calculated like this.