Recognised as Base-16 literal
0x42
- Base 16
- 7 bits
- = 66
0x42 is a hexadecimal literal equal to 66 in decimal. It needs 7 bits (1 bytes) of storage, and is 0x42 in hexadecimal and 1000010 in binary.
In every base
Decimal66
Binary1000010
Octal102
Hexadecimal42
Base 3222
Base 361U
Prefixed literals0x42 · 0o102 · 0b1000010
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 bits01000010
Padded to 32 bits00000000000000000000000001000010
Read another way
Bitwise operations
NOT (32-bit)4,294,967,229
Shift left by 1132
Shift right by 133
Population count2the number of set bits
Lowest set bit2
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
The same value
Also reads as
U+0042 (unicode character)
- U+0042
- B
- Uppercase letter
U+0042 is code point 66 (B), an uppercase 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+0042
Decimal66
CharacterB
General categoryUppercase 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-8421 byte
UTF-160042a single unit
UTF-3200000042
Binary1000010
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 entityB
HTML hex entityB
CSS escape\0042
JavaScript\u0042
Python\u0042
Percent-encoded (URL)%42
Things that catch people out
JavaScript string length1
Needs a surrogate pairNo
Safe in a URL unescapedYes
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page