Unicode Character 'DOUBLE-STRUCK CAPITAL R' (U+211D) |
  |
| Unicode Data | |
|---|---|
| Name | DOUBLE-STRUCK CAPITAL R |
| Block | Letterlike Symbols |
| Category | Letter, Uppercase [Lu] |
| Combine | 0 |
| BIDI | Left-to-Right [L] |
| Decomposition | <font> LATIN CAPITAL LETTER R (U+0052) |
| Mirror | N |
| Old name | DOUBLE-STRUCK R |
| Index entries | numbers, real real numbers set of real numbers, the R, DOUBLE-STRUCK CAPITAL |
| Comments | the set of real numbers |
| Version | Unicode 1.1.0 (June, 1993) |
| Encodings | |
|---|---|
| HTML Entity (decimal) | ℝ |
| HTML Entity (hex) | ℝ |
| How to type in Microsoft Windows | Alt +211D |
| UTF-8 (hex) | 0xE2 0x84 0x9D (e2849d) |
| UTF-8 (binary) | 11100010:10000100:10011101 |
| UTF-16 (hex) | 0x211D (211d) |
| UTF-16 (decimal) | 8,477 |
| UTF-32 (hex) | 0x0000211D (211d) |
| UTF-32 (decimal) | 8,477 |
| C/C++/Java source code | "\u211D" |
| Python source code | u"\u211D" |
| More... | |
| Java Data | |
|---|---|
| string.toUpperCase() | ℝ |
| string.toLowerCase() | ℝ |
| Character.UnicodeBlock | LETTERLIKE_SYMBOLS |
| Character.charCount() | 1 |
| Character.getDirectionality() | DIRECTIONALITY_LEFT_TO_RIGHT [0] |
| Character.getNumericValue() | -1 |
| Character.getType() | 1 |
| Character.isDefined() | Yes |
| Character.isDigit() | No |
| Character.isIdentifierIgnorable() | No |
| Character.isISOControl() | No |
| Character.isJavaIdentifierPart() | Yes |
| Character.isJavaIdentifierStart() | Yes |
| Character.isLetter() | Yes |
| Character.isLetterOrDigit() | Yes |
| Character.isLowerCase() | No |
| Character.isMirrored() | No |
| Character.isSpaceChar() | No |
| Character.isSupplementaryCodePoint() | No |
| Character.isTitleCase() | No |
| Character.isUnicodeIdentifierPart() | Yes |
| Character.isUnicodeIdentifierStart() | Yes |
| Character.isUpperCase() | Yes |
| Character.isValidCodePoint() | Yes |
| Character.isWhitespace() | No |
