Use the form below to do your conversion.
Solution
Step1
Log2015985=Log(15985) ÷ Log(20)
Log(15985)= 4.2037126406077
Log(20)=1.301029995664
Log2015985=4.2037126406077 ÷ 1.301029995664
Ans=3.2310651211868
Step2
Alternatively, the logarithm can be calculated like this.