𝕁

U+1D541 MATHEMATICAL DOUBLE-STRUCK CAPITAL J

Mathematical Alphanumeric Symbols Β· Uppercase letter

NameMATHEMATICAL DOUBLE-STRUCK CAPITAL J
Code pointU+1D541
Decimal120129
BlockMathematical Alphanumeric Symbols
CategoryUppercase letter (Lu)
UTF-8F0 9D 95 81
UTF-16D835 DD41
UTF-320001D541
HTML𝕁 𝕁
CSS\1D541
JavaScript\uD835\uDD41
Python\U0001d541
URL-encoded%F0%9D%95%81
Decomposition<font> 004A

Frequently asked questions

What is the character U+1D541?

U+1D541 𝕁 is officially named MATHEMATICAL DOUBLE-STRUCK CAPITAL J. It belongs to the Mathematical Alphanumeric Symbols block and the category Uppercase letter.

How do I type 𝕁?

Windows (Word, WordPad): type 1D541, then press Alt+X. Linux (GTK/IBus): Ctrl+Shift+U 1d541, then Space. macOS: enable the β€œUnicode Hex Input” keyboard, hold Option and type 1D541. Or simply copy it from this page.

How do I write 𝕁 in HTML?

As a numeric character reference &#120129; (decimal) or &#x1D541; (hexadecimal). In UTF-8 documents you can also insert the character directly.

How is 𝕁 encoded in UTF-8?

In UTF-8 the character takes 4 bytes: F0 9D 95 81. In UTF-16: D835 DD41.

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