Use the form below to do your conversion.
Solution
Step1
Log1312991=Log(12991) ÷ Log(13)
Log(12991)= 4.1136425827717
Log(13)=1.1139433523068
Log1312991=4.1136425827717 ÷ 1.1139433523068
Ans=3.6928651481719
Step2
Alternatively, the logarithm can be calculated like this.