Use the form below to do your conversion.
Solution
Step1
Log151987=Log(1987) ÷ Log(15)
Log(1987)= 3.2981978671098
Log(15)=1.1760912590557
Log151987=3.2981978671098 ÷ 1.1760912590557
Ans=2.804372400283
Step2
Alternatively, the logarithm can be calculated like this.