Use the form below to do your conversion.
Solution
Step1
Log137991=Log(7991) ÷ Log(13)
Log(7991)= 3.9026011306665
Log(13)=1.1139433523068
Log137991=3.9026011306665 ÷ 1.1139433523068
Ans=3.5034107637383
Step2
Alternatively, the logarithm can be calculated like this.