Multiply by 2

Multiply the previous number in the thread by 2. If you're the first person to reply, then use the starting number.
The starting number is 2

4

8

16

32

64

128 (there's nothing stopping me from commenting on my own thread)

256

512

1024

2048

4096

8192

16384

32768

65536 = 2^16 = 2^2^4 = 2^2^2^2 = 2^^4 = 2^^2^2 = 2^^2^^2 = 2^^^3

131072

262144

524,288

1,048,576

2,097,152

4,194,304

8,388,608

16,777,216 (only posting in here again to boost this thread's placement)

33,554,432

67,108,864

134,217,728

268,435,456 (I could go all day about this bro)

536,860,902 (Only posting again to revive this)

that's 10,010 short of true 2^29

1,073,741,824

2,147,483,648

4,294,967,296

8589934592

17,179,869,184

34,359,738,368

68,719,476,736

137,438,953,472

274,877,906,944 (2.7e8) (2^38)