18
1 + 8 = 9 and 9 x 2 = 18
0.Because 456 + 0 = 456. and the digit 4 is used twice in the sum.
(6+2x)(3) > 66 18 + 6x >66 6x > 48 x > 8 8 is smallest number
362x(3x6)
18
18 is the only number that matches these criteria.
4
36 is twice the product of its digits multiplied. 3 times 6 equals 18, and 18 times 2 equals 36.
2,241 because you double the digits
The Answer is 36 btw. 3 + 6 = 9 3 x 6 = 2(3x6) 2(18) = 36
18. 1+8=9 9x2=18
Yes, unless you include 0.
19.