result = [] sushu = [3 ,7 ,127 ,8191 ,131071 ,524287 ,2147483647] n = int(input()) for i in range(1,n+1):

x = int(input())
j = 0
for a in range(7):
    sushu1 = sushu[j]
    if sushu1 >= x:
        result.append(sushu1)
        break
    else:
        j += 1
        continue

for b in result:

print(b)