0o16656

0o16656 is an octal numeral written with the 0o prefix, used in several programming languages to denote a base-8 value. The digits 1, 6, 6, 5, and 6 are within the octal range 0–7, so the literal is valid.

Interpreting 0o16656 as decimal yields 7598. In hexadecimal, it is 0x1DAE, and in binary it is 0001 1101 1010 1110 (bit width dependent).

In Python, the literal 0o16656 in code represents the integer 7598. In JavaScript (ECMAScript 6 and later), 0o16656 also yields the decimal value 7598. In languages that use a leading zero to indicate octal literals (such as older C and C++), octal values might be written with a leading 0, for example 016656, but the 0o prefix is a clearer and more modern notation in languages that support it.

Uses of octal literals include defining constants or bit masks in contexts where octal notation provides readability for certain bit groups. While 0o16656 is a valid octal constant, it does not correspond to a standard or widely recognized flag or permission value on its own; its significance is primarily as a numeric representation.

See also: octal, base-n numeral systems, Python literal syntax, JavaScript numeric literals, Unix file permissions.