Use the form below to do your conversion.
Solution
Step1
Log215645=Log(5645) ÷ Log(21)
Log(5645)= 3.751663946261
Log(21)=1.3222192947339
Log215645=3.751663946261 ÷ 1.3222192947339
Ans=2.8373991827248
Step2
Alternatively, the logarithm can be calculated like this.