The only composite factor of 21 is 21.
-8 × (number + 21) = 96 → number + 21 = 96 ÷ -8 → number = 96 ÷ -8 - 21 = -12 - 21 = -33
21 is an odd composite number
no, 21*21=441
Who says it is? 21 is a composite number!
It's one of the best !
The only composite factor of 21 is 21.
-8 × (number + 21) = 96 → number + 21 = 96 ÷ -8 → number = 96 ÷ -8 - 21 = -12 - 21 = -33
73 is the 21st prime number. 21 is 7*3. 73 reversed is 37. 37 is the 12th prime number (which is 21 reversed) Finally, 73 in binary is 1001001 which backwards is 1001001 (it's palindromic).
21
21 is an odd composite number
it is 7x3=21
21 is a composite number
21 is a rational number.
no, 21*21=441
Who says it is? 21 is a composite number!
number 21 is prime