Unicode Character "𝟏" (U+1D7CF)

The character 𝟏 (Mathematical Bold Digit One) is represented by the Unicode codepoint U+1D7CF. It is encoded in the Mathematical Alphanumeric Symbols block, which belongs to the Supplementary Multilingual Plane. It was added to Unicode in version 3.1 (March, 2001). It is HTML encoded as 𝟏.

Main Unicode Properties

Name Mathematical Bold Digit One
Unicode Codepoint U+1D7CF
Unicode Version 3.1 (March, 2001)
Block Mathematical Alphanumeric Symbols
Plane Supplementary Multilingual Plane

Bidirectional Data

Bidirectional class European Number (EN)
Is mirrored? No

Other Unicode Data

Category Decimal Number
Script Code for undetermined script
Combining Class Not Reordered
Decomposition mapping

U+1D7CF Conversion

HTML (decimal) 𝟏
HTML (hex) 𝟏
HTML (named) -
URL Escape Code %F0%9D%9F%8F
CSS \01D7CF
JavaScript, JSON \u1D7CF
C, C++, Java \u1D7CF
Python \u1D7CF
Rust \u{1D7CF}
Ruby \u1D7CF

How to type "𝟏"

  • Windows ?: Hold Alt, then type 1 D 7 C F. Release Alt.
  • Mac ?: Hold Alt ⌥, then type D 8 3 5 D F C F. Release Alt.

Preview

  • 𝟏
    Times, Times New Roman, serif
  • 𝟏
    Helvetica, Arial, sans-serif
  • 𝟏
    Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xF0 0x9D 0x9F 0x8F
UTF-16 (hex) 0xD835 0xDFCF
UTF-32 (hex) 0x0001D7CF

References