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 Mandelbrot 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort 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 Mandelbrot 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 824th c0d3-4-F00d 🇩🇪 821 73 5 Jan 2022 824th DaCuteRaccoon 821 73 30 Nov 2022 824th janbehrens 🇩🇪 821 73 17 Jun 2023 824th snoozingnewt 🇺🇸 821 73 1 Sep 2024 830th KatieLG 🇬🇧 821 74 5 Nov 2020 830th trist224 🇫🇷 821 74 15 Nov 2022 830th QuincyNash 🇺🇸 821 74 29 Nov 2022 833rd targrik 820 77 15 Jan 2025 834th AaronGarbut 820 87 30 Jul 2019 835th DialFrost 🇸🇬 820 103 16 Feb 2025 836th phdphil 818 46 9 Apr 2018 837th orthoplex 🇨🇽 817 36 20 Jul 2024 838th Frank-Buss 817 93 29 Aug 2020 839th NewDefectus 🇮🇱 813 54 15 Dec 2021 840th Waffle3z 813 58 20 Jan 2021 840th jbbarth 🇫🇷 813 58 8 Oct 2021 840th AlephSquirrel 813 58 14 Apr 2023 840th SirBogman 🇺🇸 813 58 10 Jan 2024 844th GrayJoKing 🇦🇺 813 71 3 Aug 2024 845th MeWhenI 🇻🇦 811 71 25 Jul 2023 846th MeWhenI 🇻🇦 810 65 17 Jan 2024 847th tomtheisen 🇺🇸 810 74 9 Oct 2020 847th weliveinhell 🇭🇹 810 74 3 Sep 2023 847th thisishowmymindworks 🇳🇴 810 74 10 Jun 2024 847th Lv0Sys 🇵🇱 810 74 31 May 2025 851st mortimervonchappuis 810 75 17 Mar 2020 851st SirFireball3521 810 75 28 Jan 2023 851st AlexanderFair 810 75 2 Jul 2023 851st msbranicky 810 75 25 Jul 2023 855th ListeriaM 810 88 25 Aug 2023 855th Jonatan6 🇩🇰 810 88 27 Apr 2024 857th Natanaelel 🇸🇪 809 32 22 Jul 2022 857th SirBogman 🇺🇸 809 32 10 Sep 2022 859th primo-ppcg 🇹🇭 807 61 9 Feb 2022 860th KenanSi 806 31 24 Feb 2022 860th ashtraypettingzoo 🇺🇸 806 31 5 Apr 2023 862nd DialFrost 🇸🇬 805 62 21 Jan 2025 863rd janbehrens 🇩🇪 805 82 26 Nov 2023 864th Yewzir 🇧🇪 804 87 21 Jan 2024 864th rucin93 🇵🇱 804 87 22 Apr 2025 866th MeWhenI 🇻🇦 802 72 3 Aug 2024 867th primo-ppcg 🇹🇭 801 102 25 Jun 2022 868th AlexDaniel 🇪🇪 800 47 5 Apr 2020 868th SirBogman 🇺🇸 800 47 4 Nov 2021 870th Unremarkable 800 75 28 Sep 2018 870th ToriTheChicken 800 75 24 Jul 2020 870th ehouais 800 75 24 Aug 2020 870th cywong-amino 🇭🇰 800 75 30 Sep 2020 870th ScottHamper 800 75 23 May 2021 870th nathanadams 🇳🇿 800 75 13 Oct 2021 870th shawphy 800 75 14 Oct 2021 870th tayloia 🇬🇧 800 75 11 May 2023 870th Yewzir 🇧🇪 800 75 6 Dec 2023 879th somebody1234 800 95 20 Nov 2018 879th dokutan 800 95 15 Jan 2024 879th Yewzir 🇧🇪 800 95 6 Feb 2024 882nd adoxography 799 59 22 Jul 2018 882nd flavono123 799 59 19 Dec 2019 882nd rbviz 799 59 29 Mar 2021 882nd Shanethegamer 🇺🇸 799 59 13 Sep 2021 882nd OhmNomNom 799 59 13 Oct 2022 882nd tatzyr 🇯🇵 799 59 5 Apr 2025 888th cbondurant 799 76 10 May 2021 888th bob-th 799 76 24 Jan 2023 890th lynn 798 66 17 Feb 2024 891st inventshah 798 146 17 Jun 2022 891st dokutan 798 146 22 Jan 2024 893rd dokutan 796 83 27 Mar 2024 894th GrayJoKing 🇦🇺 795 88 9 Oct 2023 895th Irratix 🇳🇱 793 147 11 Dec 2021 896th marcin7Cd 792 90 17 May 2020 896th dokutan 792 90 1 May 2024 898th cure-honey 🇯🇵 791 85 15 Jul 2021 898th primo-ppcg 🇹🇭 791 85 14 Jan 2025 900th kevlened 789 76 22 Oct 2018 Prev 826–900 of 2,904 Next