Base-16 literal
0xfff
- Base 16
- 12 bits
- = 4,095
0xfff is a hexadecimal literal equal to 4,095 in decimal. It needs 12 bits (2 bytes) of storage, and is 0xFFF in hexadecimal and 111111111111 in binary.
In every base
Decimal4,095
Binary111111111111
Octal7777
HexadecimalFFF
Base 323VV
Base 3635R
Prefixed literals0xfff · 0o7777 · 0b111111111111
Bit width & storage
Significant bits12
Bytes needed2
Fits in 8 bitsNo
Fits in 16 bitsYes
Fits in 32 bitsYes
Fits in 64 bitsYes
Padded to 8 bitsDoes not fit
Padded to 32 bits00000000000000000000111111111111
Read another way
As an IPv4 address0.0.15.255
As a 24-bit colour#000FFF
As a Unicode code pointU+0FFF, ""
As a byte count3.999 KiB
As a duration in seconds1 hour, 8 minutes and 15 seconds
Bitwise operations
NOT (32-bit)4,294,963,200
Shift left by 18,190
Shift right by 12,047
Population count12the number of set bits
Lowest set bit1
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The same value
Also reads as
U+0FFF (unicode character)
- U+0FFF
-
- Unassigned or unknown
U+0FFF is code point 4,095 (), an unassigned or unknown in the Outside the listed blocks block of the Basic Multilingual Plane. It takes 3 bytes in UTF-8 and 1 unit in UTF-16.
Identity
Code pointU+0FFF
Decimal4,095
Character
General categoryUnassigned or unknown
BlockOutside the listed blocks
PlaneBasic Multilingual Planeplane 0
Official nameNot includedthe Unicode Character Database is not bundled; a stale copy would be worse than none
Encodings
UTF-8E0 BF BF3 bytes
UTF-160FFFa single unit
UTF-3200000FFF
Binary111111111111
Bytes in UTF-8 vs UTF-163 vs 2UTF-16 is not always smaller, even for non-Latin text
Writing it in code
HTML numeric entity࿿
HTML hex entity࿿
CSS escape\0FFF
JavaScript\u0FFF
Python\u0FFF
Percent-encoded (URL)%E0%BF%BF
Things that catch people out
JavaScript string length1
Needs a surrogate pairNo
Safe in a URL unescapedNo
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