0x220F

0x220F refers to the Unicode code point U+220F, which is named N-ary Product. It is a mathematical operator symbol used to denote the product of a sequence, list, or indexed set of factors. The glyph ∏ resembles a stylized uppercase Pi and is common in algebra, calculus, and related fields, where it is placed with limits to indicate a product over an index set, such as ∏_{i=1}^n a_i.

In Unicode, U+220F is part of the Mathematical Operators block, which spans from U+2200 to U+22FF. Its general category is Math Symbol. The character can be rendered in UTF-8 as the bytes E2 88 8F. In HTML, it can be referenced by the named entity ∏ or the numeric reference ∏.

Usage and notation commonly pair the symbol with subscripts and superscripts to specify the index range and conditions of the product. For example, ∏_{i=1}^n a_i denotes the product of a_i from i = 1 to n. The symbol is used across disciplines, including mathematics, statistics, physics, and computer science, wherever a compact representation of multiplicative accumulation over a set is desired.

In practice, 0x220F is primarily encountered in digital text, typesetting, and programming contexts that require explicit code point specification. It differs from the similar Greek letter Pi (Π) in meaning and usage, though typography can render them with some visual similarity depending on the font.