Happy Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 901st Irratix 🇳🇱 784 91 19 Dec 2021 902nd MeWhenI 🇻🇦 782 63 11 Nov 2021 903rd SirBogman 🇺🇸 782 86 2 Nov 2022 904th gnuvince 781 32 2 Aug 2024 904th codereport 🇨🇦 781 32 21 Apr 2025 906th Shanethegamer 🇺🇸 780 74 19 Aug 2024 907th FlyingPenguin223 780 86 27 Oct 2024 908th guliyevemil1 🇦🇿 780 87 20 Apr 2020 908th strout 780 87 15 Dec 2023 910th Natanaelel 🇸🇪 779 64 19 Sep 2021 911th KatieLG 🇬🇧 778 51 9 Dec 2020 911th msbranicky 778 51 27 Jul 2023 911th dokutan 778 51 11 Nov 2023 911th AlephSquirrel 778 51 27 Jan 2025 915th jakobwitte 778 77 21 Mar 2018 915th j55d 778 77 29 Sep 2018 915th Mikaeel66 778 77 11 Nov 2019 915th ArmaanAS 778 77 8 Mar 2021 915th Re-Adventures 🇮🇳 778 77 18 May 2021 920th Waffle3z 778 78 9 Jul 2021 920th snydej 778 78 22 Nov 2024 922nd msbranicky 777 90 11 Oct 2023 923rd aposteriorist 🇨🇦 777 99 27 Feb 2022 923rd stackofbears 777 99 5 Mar 2022 925th Irratix 🇳🇱 776 111 3 Jan 2022 926th bastatom 775 131 25 Feb 2024 927th yzhs 🇩🇪 774 38 21 Jun 2022 928th galloj 🇨🇿 774 107 28 Aug 2022 929th robymus 773 61 17 Sep 2018 930th jiaminglimjm 🇲🇾 773 172 9 Jan 2021 931st Shanethegamer 🇺🇸 772 60 9 Mar 2023 932nd shuding 769 78 4 May 2020 932nd igmcdowell 769 78 20 Dec 2021 932nd dylanarmstrong 769 78 24 Jan 2024 935th dpatterbee 769 132 24 Aug 2020 936th bluebear94 768 49 12 Feb 2018 936th prplz 🇦🇺 768 49 27 Sep 2021 938th Eilonlif 🇮🇱 768 79 20 Feb 2023 938th fkantelberg 768 79 22 Jul 2023 938th fgrosshans 🇫🇷 768 79 23 Jul 2024 938th EnTerr 768 79 1 Sep 2024 942nd yzhs 🇩🇪 767 65 3 Aug 2021 943rd elgan65536 767 93 28 Nov 2023 943rd Bmrl7 767 93 29 Feb 2024 945th neihousaigaai 767 152 8 May 2021 946th NewDefectus 🇮🇱 766 62 6 Jun 2021 947th dokutan 763 69 14 Apr 2024 948th Irratix 🇳🇱 763 89 23 Sep 2021 949th hrubymar10 763 133 27 Feb 2024 949th CaedenHarper 🇨🇦 763 133 12 Dec 2024 951st emgordon154 762 101 5 days ago 952nd boxjelly 762 153 17 Feb 2021 953rd FlyingPenguin223 761 62 16 Nov 2023 954th billings7 🇬🇧 761 96 21 May 2024 955th emgordon154 760 76 15 Nov 2024 956th MichalMarsalek 🇨🇿 760 88 30 Nov 2022 957th p01 759 79 3 Nov 2017 957th kayahr 759 79 17 Jun 2021 957th alasdair-greenland 759 79 10 Nov 2021 957th eranws 759 79 9 Sep 2022 957th madeforlosers 759 79 23 Oct 2024 957th dokutan 759 79 24 Dec 2024 963rd ageneric 759 80 7 Feb 2021 963rd jacklynnepenick 759 80 19 Aug 2021 963rd ehulinsky 🇺🇸 759 80 10 Nov 2021 963rd NewDefectus 🇮🇱 759 80 15 Dec 2021 963rd ZakkkkAttackkkk 🇵🇭 759 80 21 Dec 2021 963rd guilhem-roy 🇫🇷 759 80 26 Feb 2022 963rd suwat513 759 80 15 Sep 2022 963rd btjones0 759 80 18 Nov 2022 963rd nstearns96 🇬🇧 759 80 15 Dec 2022 963rd kellantech 759 80 3 Jun 2023 963rd snoozingnewt 🇺🇸 759 80 3 Oct 2023 963rd jhu04 759 80 18 Jan 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