Use the form below to do your conversion.
Solution
Step1
Log2115479=Log(15479) ÷ Log(21)
Log(15479)= 4.1897429002416
Log(21)=1.3222192947339
Log2115479=4.1897429002416 ÷ 1.3222192947339
Ans=3.1687201335878
Step2
Alternatively, the logarithm can be calculated like this.