Base-16 literal
0x64
- Base 16
- 7 bits
- = 100
0x64 is a hexadecimal literal equal to 100 in decimal. It needs 7 bits (1 bytes) of storage, and is 0x64 in hexadecimal and 1100100 in binary.
In every base
Decimal100
Binary1100100
Octal144
Hexadecimal64
Base 3234
Base 362S
Prefixed literals0x64 · 0o144 · 0b1100100
Bit width & storage
Significant bits7
Bytes needed1
Fits in 8 bitsYes
Fits in 16 bitsYes
Fits in 32 bitsYes
Fits in 64 bitsYes
Padded to 8 bits01100100
Padded to 32 bits00000000000000000000000001100100
Read another way
Bitwise operations
NOT (32-bit)4,294,967,195
Shift left by 1200
Shift right by 150
Population count3the number of set bits
Lowest set bit4
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The same value
Also reads as
U+0064 (unicode character)
- U+0064
- d
- Lowercase letter
U+0064 is code point 100 (d), a lowercase letter 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+0064
Decimal100
Characterd
General categoryLowercase letter
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-8641 byte
UTF-160064a single unit
UTF-3200000064
Binary1100100
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 entityd
HTML hex entityd
CSS escape\0064
JavaScript\u0064
Python\u0064
Percent-encoded (URL)%64
Things that catch people out
JavaScript string length1
Needs a surrogate pairNo
Safe in a URL unescapedYes
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