Use the form below to do your conversion.
Solution
Step1
Log2115959=Log(15959) ÷ Log(21)
Log(15959)= 4.2030056747285
Log(21)=1.3222192947339
Log2115959=4.2030056747285 ÷ 1.3222192947339
Ans=3.1787508255764
Step2
Alternatively, the logarithm can be calculated like this.