An octal integer literal is a string of up to 11 octal digits (0 through 7) followed by the suffix Q (or q). Octal literals may also begin with a 0, contain no 8 or 9 digits, and end with no suffix. These are examples of valid octal literals:
| 10Q | Literal equal to 810 or 816 |
| 054321 | Literal equal to 2273710 or 58D116 |
| 100000Q | Literal equal to 3276810 or 800016 |
| 226q | Literal equal to 15010 or 9616 |