U+0031 "1" Digit One Unicode Character

Unicode Version 18.0

Source: Noto Sans Source: Browser Default

U+0031 "1" Digit One is a fundamental numeric symbol in the ASCII and Unicode standards, representing the integer value one. It belongs to the Basic Latin block, where it serves as a standard decimal digit used globally in writing systems for mathematics, dates, counting, and identifiers. As a simple, single-stroke glyph, it is distinct from other numerical characters and is encoded at the same code point across virtually all modern text systems, ensuring consistent digital representation and interoperability.

Encodings

HTML Decimal Encoding
1
HTML Hex Encoding
1
UTF-8 Encoding
0x31
UTF-16 Encoding
0x0031
UTF-32 Encoding
0x00000031
C/C++/Java Escape
\u0031