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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
21
21 is an odd composite number
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).
it is 7x3=21
21 is a composite number
21 is a rational number.
Who says it is? 21 is a composite number!
number 21 is prime
no, 21*21=441