Recognised as Text

hello

5 characters
1 word
Scrabble 8
5 bytes UTF-8

“hello” has 5 characters, 5 of them letters, across 1 word. It occupies 5 bytes in UTF-8, scores 8 in Scrabble.

Counts

Characters5Unicode code points

Characters (UTF-16 units)5same as code points

Letters5

Digits0

Whitespace characters0

Punctuation & symbols0

Words1

Unique characters4

Vowels2a, e, i, o, u

Consonants3

Longest wordhello

Average word length5

Structure

First characterh

Last charactero

First letterh

Last lettero

PalindromeNoreversed it reads “olleh”

Anagram signatureehlloevery anagram of this word shares this signature

Alphabet positions8, 5, 12, 12, 15

Alphabet position sum52

Case & transformations

UppercaseHELLO

Lowercasehello

Title CaseHello

Sentence caseHello

Reversedolleh

camelCasehello

snake_casehello

kebab-casehello

CONSTANT_CASEHELLO

Without spaceshello

Encodings

UTF-8 byte length5 bytes

Base64aGVsbG8=

URL encodedhello

HTML entitieshello

Hexadecimal (UTF-8)68 65 6c 6c 6f

Binary (UTF-8)01101000 01100101 01101100 01101100 01101111

Unicode code pointsU+0068 U+0065 U+006C U+006C U+006F

Decimal code points104, 101, 108, 108, 111

ROT13uryyb

Base32NBSWY3DPRFC 4648, padded to a multiple of 8

Base58Cn8eVZgBitcoin's alphabet: no 0, O, I or l

Percent-encoded (RFC 3986)hellostricter than URL encoding: only A-Z a-z 0-9 - . _ ~ survive

Digests and checksums

MD55d41402abc4b2a76b9719d911017c592128-bit, broken for collision resistance; fine as a checksum

SHA-1aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d160-bit, collisions demonstrated in 2017; do not use for signatures

SHA-2562cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824256-bit, the SHA-2 family workhorse

SHA-5129b71d224bd62f3785d96d46ad3ea3d73319bfbc2890caadae2dff72519673ca72323c3d99ba5c11d7c7acc6e14b8c5da0c4663475c2e5c3adef46f73bcdec043512-bit, SHA-2 with a 64-bit word size

CRC-323610a686the zip/gzip/PNG checksum, for accidental corruption only, not a hash

Phonetic keys

SoundexH400American Soundex: initial letter then three consonant codes

MetaphoneHLthe original algorithm (Philips, 1990); later variants give different keys

Word games & signalling

Scrabble score8H=4 + E=1 + L=1 + L=1 + O=1

Words With Friends score9

Morse code.... . .-.. .-.. ---

NATO alphabetHotel Echo Lima Lima Oscar

Character frequency

l2 (40%)

e1 (20%)

h1 (20%)

o1 (20%)

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Transformations

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