U+2135 "ℵ" Alef Symbol Unicode Character
Unicode Version 18.0
Source: Browser Default
U+2135 "ℵ" Alef Symbol is the first letter of the Hebrew alphabet, commonly used in mathematics and set theory to represent the aleph numbers, which denote the cardinalities of infinite sets, most famously the cardinality of the natural numbers, ℵ₀. This symbol is distinct from the regular Hebrew letter alef and is encoded specifically for mathematical notation to ensure proper typographical rendering and semantic clarity in technical texts.
General Properties
Code Point
U+2135
Name
Alef Symbol
Unicode 1.0 Name
First Transfinite Cardinal
Decomposition Mapping
Encodings
HTML Decimal Encoding
ℵ
HTML Hex Encoding
ℵ
UTF-8 Encoding
0xE2 0x84 0xB5
UTF-16 Encoding
0x2135
UTF-32 Encoding
0x00002135
C/C++/Java Escape
\u2135
Unicode Properties
Numeric Value
NaN
NFKC Casefold
NFKC Simple Casefold
Script Extensions
Common