Recognised as Base-16 literal
0x0
- Base 16
- 1 bits
- = 0
0x0 is a hexadecimal literal equal to 0 in decimal. It needs 1 bits (1 bytes) of storage, and is 0x0 in hexadecimal and 0 in binary.
In every base
Bit width & storage
Significant bits1
Bytes needed1
Fits in 8 bitsYes
Fits in 16 bitsYes
Fits in 32 bitsYes
Fits in 64 bitsYes
Padded to 8 bits00000000
Padded to 32 bits00000000000000000000000000000000
Read another way
Bitwise operations
NOT (32-bit)4,294,967,295
Shift left by 10
Shift right by 10
Population count0the number of set bits
Lowest set bitNone
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Also reads as
U+0000 (unicode character)
- U+0000
- Control
U+0000 is code point 0 ( ), 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+0000
Decimal0
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-8001 byte
UTF-160000a single unit
UTF-3200000000
Binary0
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\0000
JavaScript\u0000
Python\u0000
Percent-encoded (URL)%00
Things that catch people out
JavaScript string length1
Needs a surrogate pairNo
Safe in a URL unescapedNo
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