Use the form below to do your conversion.
Solution
Step1
Log21151=Log(151) ÷ Log(21)
Log(151)= 2.1789769472932
Log(21)=1.3222192947339
Log21151=2.1789769472932 ÷ 1.3222192947339
Ans=1.6479694071713
Step2
Alternatively, the logarithm can be calculated like this.