Use the form below to do your conversion.
Solution
Step1
Log21347=Log(347) ÷ Log(21)
Log(347)= 2.5403294747909
Log(21)=1.3222192947339
Log21347=2.5403294747909 ÷ 1.3222192947339
Ans=1.9212618397783
Step2
Alternatively, the logarithm can be calculated like this.