Use the form below to do your conversion.
Solution
Step1
Log131561=Log(1561) ÷ Log(13)
Log(1561)= 3.1934029030624
Log(13)=1.1139433523068
Log131561=3.1934029030624 ÷ 1.1139433523068
Ans=2.866755204786
Step2
Alternatively, the logarithm can be calculated like this.