Use the form below to do your conversion.
Solution
Step1
Log915991=Log(15991) ÷ Log(9)
Log(15991)= 4.2038756232773
Log(9)=0.95424250943932
Log915991=4.2038756232773 ÷ 0.95424250943932
Ans=4.4054583417661
Step2
Alternatively, the logarithm can be calculated like this.