Use the form below to do your conversion.
Solution
Step1
Log1312389=Log(12389) ÷ Log(13)
Log(12389)= 4.0930362529452
Log(13)=1.1139433523068
Log1312389=4.0930362529452 ÷ 1.1139433523068
Ans=3.6743666044319
Step2
Alternatively, the logarithm can be calculated like this.