Use the form below to do your conversion.
Solution
Step1
Log159989=Log(9989) ÷ Log(15)
Log(9989)= 3.9995220131289
Log(15)=1.1760912590557
Log159989=3.9995220131289 ÷ 1.1760912590557
Ans=3.4006901950281
Step2
Alternatively, the logarithm can be calculated like this.