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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 Polygon Triangulations 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 Vala 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 Vala 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 Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 825th trist224 🇫🇷 820 74 15 Nov 2022 825th QuincyNash 🇺🇸 820 74 29 Nov 2022 828th targrik 820 77 15 Jan 2025 829th AaronGarbut 820 87 30 Jul 2019 830th DialFrost 🇸🇬 820 103 16 Feb 2025 831st phdphil 818 46 9 Apr 2018 832nd orthoplex 🇨🇽 817 36 20 Jul 2024 833rd Frank-Buss 817 93 29 Aug 2020 834th NewDefectus 🇮🇱 813 54 15 Dec 2021 835th Waffle3z 813 58 20 Jan 2021 835th jbbarth 🇫🇷 813 58 8 Oct 2021 835th AlephSquirrel 813 58 14 Apr 2023 835th SirBogman 🇺🇸 813 58 10 Jan 2024 839th GrayJoKing 🇦🇺 813 71 3 Aug 2024 840th MeWhenI 🇻🇦 811 71 25 Jul 2023 841st MeWhenI 🇻🇦 810 65 17 Jan 2024 842nd tomtheisen 🇺🇸 810 74 9 Oct 2020 842nd weliveinhell 🇭🇹 810 74 3 Sep 2023 842nd thisishowmymindworks 🇳🇴 810 74 10 Jun 2024 842nd Lv0Sys 🇵🇱 810 74 31 May 2025 846th mortimervonchappuis 810 75 17 Mar 2020 846th SirFireball3521 810 75 28 Jan 2023 846th AlexanderFair 810 75 2 Jul 2023 846th msbranicky 810 75 25 Jul 2023 850th ListeriaM 810 88 25 Aug 2023 850th Jonatan6 🇩🇰 810 88 27 Apr 2024 852nd Natanaelel 🇸🇪 809 32 22 Jul 2022 852nd SirBogman 🇺🇸 809 32 10 Sep 2022 854th primo-ppcg 🇹🇭 807 61 9 Feb 2022 855th KenanSi 806 31 24 Feb 2022 855th ashtraypettingzoo 🇺🇸 806 31 5 Apr 2023 857th DialFrost 🇸🇬 805 62 21 Jan 2025 858th janbehrens 🇩🇪 805 82 26 Nov 2023 859th Yewzir 🇧🇪 804 87 21 Jan 2024 859th rucin93 🇵🇱 804 87 22 Apr 2025 861st MeWhenI 🇻🇦 802 72 3 Aug 2024 862nd primo-ppcg 🇹🇭 801 102 25 Jun 2022 863rd AlexDaniel 🇪🇪 800 47 5 Apr 2020 863rd SirBogman 🇺🇸 800 47 4 Nov 2021 865th Unremarkable 800 75 28 Sep 2018 865th ToriTheChicken 800 75 24 Jul 2020 865th ehouais 800 75 24 Aug 2020 865th cywong-amino 🇭🇰 800 75 30 Sep 2020 865th ScottHamper 800 75 23 May 2021 865th nathanadams 🇳🇿 800 75 13 Oct 2021 865th shawphy 800 75 14 Oct 2021 865th tayloia 🇬🇧 800 75 11 May 2023 865th Yewzir 🇧🇪 800 75 6 Dec 2023 874th somebody1234 800 95 20 Nov 2018 874th dokutan 800 95 15 Jan 2024 874th Yewzir 🇧🇪 800 95 6 Feb 2024 877th adoxography 799 59 22 Jul 2018 877th flavono123 799 59 19 Dec 2019 877th rbviz 799 59 29 Mar 2021 877th Shanethegamer 🇺🇸 799 59 13 Sep 2021 877th OhmNomNom 799 59 13 Oct 2022 877th tatzyr 🇯🇵 799 59 5 Apr 2025 883rd cbondurant 799 76 10 May 2021 883rd bob-th 799 76 24 Jan 2023 885th lynn 798 66 17 Feb 2024 886th inventshah 798 146 17 Jun 2022 886th dokutan 798 146 22 Jan 2024 888th dokutan 796 83 27 Mar 2024 889th GrayJoKing 🇦🇺 795 88 9 Oct 2023 890th Irratix 🇳🇱 793 147 11 Dec 2021 891st marcin7Cd 792 90 17 May 2020 891st dokutan 792 90 1 May 2024 893rd cure-honey 🇯🇵 791 85 15 Jul 2021 893rd primo-ppcg 🇹🇭 791 85 14 Jan 2025 895th kevlened 789 76 22 Oct 2018 895th emgordon154 789 76 22 Dec 2021 895th inventshah 789 76 6 May 2022 895th KrausRaus 🇺🇸 789 76 26 May 2022 895th helbling 🇨🇭 789 76 4 Jul 2024 900th ahmetdemirag 🇨🇾 789 77 11 Feb 2025 Prev 826–900 of 2,894 Next