## Brainfuck - 719 bytes ##
For historical context only, credits to Daniel B Cristofani. I'm not exactly sure when this was created, but it is available from the [Internet Archive](https://web.archive.org/web/20030409094901/http://www.hevanet.com/cristofd/brainfuck/) as early as May 9th, 2003.
The output for `9` is different than in the problem description.
>>>>+>+++>+++>>>>>+++[
>,+>++++[>++++<-]>[<<[-[->]]>[<]>-]<<[
>+>+>>+>+[<<<<]<+>>[+<]<[>]>+[[>>>]>>+[<<<<]>-]+<+>>>-[
<<+[>]>>+<<<+<+<--------[
<<-<<+[>]>+<<-<<-[
<<<+<-[>>]<-<-<<<-<----[
<<<->>>>+<-[
<<<+[>]>+<<+<-<-[
<<+<-<+[>>]<+<<<<+<-[
<<-[>]>>-<<<-<-<-[
<<<+<-[>>]<+<<<+<+<-[
<<<<+[>]<-<<-[
<<+[>]>>-<<<<-<-[
>>>>>+<-<<<+<-[
>>+<<-[
<<-<-[>]>+<<-<-<-[
<<+<+[>]<+<+<-[
>>-<-<-[
<<-[>]<+<++++[<-------->-]++<[
<<+[>]>>-<-<<<<-[
<<-<<->>>>-[
<<<<+[>]>+<<<<-[
<<+<<-[>>]<+<<<<<-[
>>>>-<<<-<-
]]]]]]]]]]]]]]]]]]]]]]>[>[[[<<<<]>+>>[>>>>>]<-]<]>>>+>>>>>>>+>]<
]<[-]<<<<<<<++<+++<+++[
[>]>>>>>>++++++++[<<++++>++++++>-]<-<<[-[<+>>.<-]]<<<<[
-[-[>+<-]>]>>>>>[.[>]]<<[<+>-]>>>[<<++[<+>--]>>-]
<<[->+<[<++>-]]<<<[<+>-]<<<<
]>>+>>>--[<+>---]<.>>[[-]<<]<
]
[Enter a number using ()-./0123456789abcdef and space, and hit return.
Daniel B Cristofani (cristofdathevanetdotcom)
http://www.hevanet.com/cristofd/brainfuck/]