Use the form below to do your conversion.
Solution
Step1
Log47991=Log(7991) ÷ Log(4)
Log(7991)= 3.9026011306665
Log(4)=0.60205999132796
Log47991=3.9026011306665 ÷ 0.60205999132796
Ans=6.4820801695502
Step2
Alternatively, the logarithm can be calculated like this.