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 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 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 Scrambled Alphabetization 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 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 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 Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 826th NewDefectus 🇮🇱 813 54 15 Dec 2021 827th Waffle3z 813 58 20 Jan 2021 827th jbbarth 🇫🇷 813 58 8 Oct 2021 827th AlephSquirrel 813 58 14 Apr 2023 827th SirBogman 🇺🇸 813 58 10 Jan 2024 831st GrayJoKing 🇦🇺 813 71 3 Aug 2024 832nd MeWhenI 🇻🇦 811 71 25 Jul 2023 833rd MeWhenI 🇻🇦 810 65 17 Jan 2024 834th tomtheisen 🇺🇸 810 74 9 Oct 2020 834th weliveinhell 🇭🇹 810 74 3 Sep 2023 834th thisishowmymindworks 🇳🇴 810 74 10 Jun 2024 837th ListeriaM 810 88 25 Aug 2023 837th Jonatan6 🇩🇰 810 88 27 Apr 2024 839th Natanaelel 🇸🇪 809 32 22 Jul 2022 839th SirBogman 🇺🇸 809 32 10 Sep 2022 841st mortimervonchappuis 809 75 17 Mar 2020 841st SirFireball3521 809 75 28 Jan 2023 841st AlexanderFair 809 75 2 Jul 2023 841st msbranicky 809 75 25 Jul 2023 845th primo-ppcg 🇹🇭 807 61 9 Feb 2022 846th KenanSi 806 31 24 Feb 2022 846th ashtraypettingzoo 🇺🇸 806 31 5 Apr 2023 848th DialFrost 🇸🇬 805 62 21 Jan 2025 849th janbehrens 🇩🇪 805 82 26 Nov 2023 850th Yewzir 🇧🇪 804 87 21 Jan 2024 850th rucin93 🇵🇱 804 87 17 days ago 852nd MeWhenI 🇻🇦 802 72 3 Aug 2024 853rd primo-ppcg 🇹🇭 801 102 25 Jun 2022 854th AlexDaniel 🇪🇪 800 47 5 Apr 2020 854th SirBogman 🇺🇸 800 47 4 Nov 2021 856th somebody1234 800 95 20 Nov 2018 856th dokutan 800 95 15 Jan 2024 856th Yewzir 🇧🇪 800 95 6 Feb 2024 859th adoxography 799 59 22 Jul 2018 859th flavono123 799 59 19 Dec 2019 859th rbviz 799 59 29 Mar 2021 859th Shanethegamer 🇺🇸 799 59 13 Sep 2021 859th OhmNomNom 799 59 13 Oct 2022 859th tatzyr 🇯🇵 799 59 5 Apr 2025 865th Unremarkable 799 75 28 Sep 2018 865th ToriTheChicken 799 75 24 Jul 2020 865th ehouais 799 75 24 Aug 2020 865th cywong-amino 🇭🇰 799 75 30 Sep 2020 865th ScottHamper 799 75 23 May 2021 865th nathanadams 🇳🇿 799 75 13 Oct 2021 865th shawphy 799 75 14 Oct 2021 865th tayloia 🇬🇧 799 75 11 May 2023 865th Yewzir 🇧🇪 799 75 6 Dec 2023 874th cbondurant 799 76 10 May 2021 874th bob-th 799 76 24 Jan 2023 876th lynn 798 66 17 Feb 2024 877th inventshah 798 146 17 Jun 2022 877th dokutan 798 146 22 Jan 2024 879th dokutan 795 83 27 Mar 2024 880th GrayJoKing 🇦🇺 795 88 9 Oct 2023 881st Irratix 🇳🇱 793 147 11 Dec 2021 882nd marcin7Cd 792 90 17 May 2020 882nd dokutan 792 90 1 May 2024 884th cure-honey 🇯🇵 791 85 15 Jul 2021 884th primo-ppcg 🇹🇭 791 85 14 Jan 2025 886th kevlened 789 76 22 Oct 2018 886th emgordon154 789 76 22 Dec 2021 886th inventshah 789 76 6 May 2022 886th KrausRaus 🇺🇸 789 76 26 May 2022 886th helbling 🇨🇭 789 76 4 Jul 2024 891st ahmetdemirag 🇨🇾 788 77 11 Feb 2025 892nd GrayJoKing 🇦🇺 787 85 1 Mar 2021 893rd Andriamanitra 🇫🇮 786 60 20 Jul 2022 894th Shanethegamer 🇺🇸 786 89 9 Oct 2023 894th MeWhenI 🇻🇦 786 89 10 Oct 2023 896th roavin 786 93 16 May 2022 897th Irratix 🇳🇱 784 91 19 Dec 2021 898th MeWhenI 🇻🇦 782 63 11 Nov 2021 899th SirBogman 🇺🇸 782 86 2 Nov 2022 900th gnuvince 781 32 2 Aug 2024 Prev 826–900 of 2,838 Next