Recognised as Base-16 literal
0x2
- Base 16
- 2 bits
- = 2
0x2 is a hexadecimal literal equal to 2 in decimal. It needs 2 bits (1 bytes) of storage, and is 0x2 in hexadecimal and 10 in binary.
In every base
Bit width & storage
Significant bits2
Bytes needed1
Fits in 8 bitsYes
Fits in 16 bitsYes
Fits in 32 bitsYes
Fits in 64 bitsYes
Padded to 8 bits00000010
Padded to 32 bits00000000000000000000000000000010
Read another way
Bitwise operations
NOT (32-bit)4,294,967,293
Shift left by 14
Shift right by 11
Population count1the number of set bits
Lowest set bit2
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Also reads as
U+0002 (unicode character)
- U+0002
- Control
U+0002 is code point 2 (), a control in the Basic Latin (ASCII) block of the Basic Multilingual Plane. It takes 1 byte in UTF-8 and 1 unit in UTF-16.
Identity
Code pointU+0002
Decimal2
Character
General categoryControl
BlockBasic Latin (ASCII)
PlaneBasic Multilingual Planeplane 0
Official nameNot includedthe Unicode Character Database is not bundled; a stale copy would be worse than none
Encodings
UTF-8021 byte
UTF-160002a single unit
UTF-3200000002
Binary10
Bytes in UTF-8 vs UTF-161 vs 2UTF-16 is not always smaller, even for non-Latin text
Writing it in code
HTML numeric entity
HTML hex entity
CSS escape\0002
JavaScript\u0002
Python\u0002
Percent-encoded (URL)%02
Things that catch people out
JavaScript string length1
Needs a surrogate pairNo
Safe in a URL unescapedNo
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