Use the form below to do your conversion.
Solution
Step1
Log2113979=Log(13979) ÷ Log(21)
Log(13979)= 4.145476104885
Log(21)=1.3222192947339
Log2113979=4.145476104885 ÷ 1.3222192947339
Ans=3.1352409705375
Step2
Alternatively, the logarithm can be calculated like this.