Use the form below to do your conversion.
Solution
Step1
Log2113885=Log(13885) ÷ Log(21)
Log(13885)= 4.1425458840863
Log(21)=1.3222192947339
Log2113885=4.1425458840863 ÷ 1.3222192947339
Ans=3.1330248322536
Step2
Alternatively, the logarithm can be calculated like this.