Use the form below to do your conversion.
Solution
Step1
Log215981=Log(5981) ÷ Log(21)
Log(5981)= 3.7767738024121
Log(21)=1.3222192947339
Log215981=3.7767738024121 ÷ 1.3222192947339
Ans=2.8563898722807
Step2
Alternatively, the logarithm can be calculated like this.