Use the form below to do your conversion.
Solution
Step1
Log138791=Log(8791) ÷ Log(13)
Log(8791)= 3.9440382800544
Log(13)=1.1139433523068
Log138791=3.9440382800544 ÷ 1.1139433523068
Ans=3.5406093782837
Step2
Alternatively, the logarithm can be calculated like this.