Use the form below to do your conversion.
Solution
Step1
Log131387=Log(1387) ÷ Log(13)
Log(1387)= 3.1420764610733
Log(13)=1.1139433523068
Log131387=3.1420764610733 ÷ 1.1139433523068
Ans=2.8206788563947
Step2
Alternatively, the logarithm can be calculated like this.