Use the form below to do your conversion.
Solution
Step1
Log129871=Log(9871) ÷ Log(12)
Log(9871)= 3.994361151908
Log(12)=1.0791812460476
Log129871=3.994361151908 ÷ 1.0791812460476
Ans=3.7012885152859
Step2
Alternatively, the logarithm can be calculated like this.