Use the form below to do your conversion.
Solution
Step1
Log136991=Log(6991) ÷ Log(13)
Log(6991)= 3.844539302129
Log(13)=1.1139433523068
Log136991=3.844539302129 ÷ 1.1139433523068
Ans=3.4512879799206
Step2
Alternatively, the logarithm can be calculated like this.