integers.info

Binary:	100000000000000000
Octal:	400000
Hex:	20000
:

2¹⁷

1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536 and 131072

No.

Its nearest Fibonacci number neighbors are 121393 and 196418.