Use the form below to do your conversion.
Solution
Step1
Log137781=Log(7781) ÷ Log(13)
Log(7781)= 3.8910354153153
Log(13)=1.1139433523068
Log137781=3.8910354153153 ÷ 1.1139433523068
Ans=3.4930280855462
Step2
Alternatively, the logarithm can be calculated like this.