Use the form below to do your conversion.
Solution
Step1
Log213791=Log(3791) ÷ Log(21)
Log(3791)= 3.5787537844264
Log(21)=1.3222192947339
Log213791=3.5787537844264 ÷ 1.3222192947339
Ans=2.7066265018819
Step2
Alternatively, the logarithm can be calculated like this.