Use the form below to do your conversion.
Solution
Step1
Log2115979=Log(15979) ÷ Log(21)
Log(15979)= 4.2035495967507
Log(21)=1.3222192947339
Log2115979=4.2035495967507 ÷ 1.3222192947339
Ans=3.1791621960839
Step2
Alternatively, the logarithm can be calculated like this.