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 826th inventshah 826 80 9 Sep 2022 827th Shanethegamer 🇺🇸 824 64 25 Apr 2023 828th m-tkach 🇺🇦 823 64 30 Jan 2024 829th didion0 🇺🇸 821 73 22 Apr 2021 829th itsh01 821 73 16 Aug 2021 829th c0d3-4-F00d 🇩🇪 821 73 5 Jan 2022 829th DaCuteRaccoon 821 73 30 Nov 2022 829th janbehrens 🇩🇪 821 73 17 Jun 2023 829th snoozingnewt 🇺🇸 821 73 1 Sep 2024 835th KatieLG 🇬🇧 821 74 5 Nov 2020 835th trist224 🇫🇷 821 74 15 Nov 2022 835th QuincyNash 🇺🇸 821 74 29 Nov 2022 838th AaronGarbut 820 87 30 Jul 2019 839th DialFrost 🇸🇬 820 103 16 Feb 2025 840th phdphil 818 46 9 Apr 2018 841st orthoplex 🇨🇽 817 36 20 Jul 2024 842nd dokutan 817 85 2 hours ago 843rd Frank-Buss 817 93 29 Aug 2020 844th NewDefectus 🇮🇱 813 54 15 Dec 2021 845th Waffle3z 813 58 20 Jan 2021 845th jbbarth 🇫🇷 813 58 8 Oct 2021 845th AlephSquirrel 813 58 14 Apr 2023 845th SirBogman 🇺🇸 813 58 10 Jan 2024 849th GrayJoKing 🇦🇺 813 71 3 Aug 2024 850th MeWhenI 🇻🇦 811 71 25 Jul 2023 851st MeWhenI 🇻🇦 810 65 17 Jan 2024 852nd tomtheisen 🇺🇸 810 74 9 Oct 2020 852nd weliveinhell 🇭🇹 810 74 3 Sep 2023 852nd thisishowmymindworks 🇳🇴 810 74 10 Jun 2024 852nd Lv0Sys 🇵🇱 810 74 31 May 2025 856th mortimervonchappuis 810 75 17 Mar 2020 856th SirFireball3521 810 75 28 Jan 2023 856th AlexanderFair 810 75 2 Jul 2023 856th msbranicky 810 75 25 Jul 2023 860th ListeriaM 810 88 25 Aug 2023 860th Jonatan6 🇩🇰 810 88 27 Apr 2024 862nd Natanaelel 🇸🇪 809 32 22 Jul 2022 862nd SirBogman 🇺🇸 809 32 10 Sep 2022 864th primo-ppcg 🇹🇭 807 61 9 Feb 2022 865th KenanSi 806 31 24 Feb 2022 865th ashtraypettingzoo 🇺🇸 806 31 5 Apr 2023 867th DialFrost 🇸🇬 805 62 21 Jan 2025 868th janbehrens 🇩🇪 805 82 26 Nov 2023 869th Yewzir 🇧🇪 804 87 21 Jan 2024 869th rucin93 🇵🇱 804 87 22 Apr 2025 871st MeWhenI 🇻🇦 802 72 3 Aug 2024 872nd primo-ppcg 🇹🇭 801 102 25 Jun 2022 873rd AlexDaniel 🇪🇪 800 47 5 Apr 2020 873rd SirBogman 🇺🇸 800 47 4 Nov 2021 875th Unremarkable 800 75 28 Sep 2018 875th ToriTheChicken 800 75 24 Jul 2020 875th ehouais 800 75 24 Aug 2020 875th cywong-amino 🇭🇰 800 75 30 Sep 2020 875th ScottHamper 800 75 23 May 2021 875th nathanadams 🇳🇿 800 75 13 Oct 2021 875th shawphy 800 75 14 Oct 2021 875th tayloia 🇬🇧 800 75 11 May 2023 875th Yewzir 🇧🇪 800 75 6 Dec 2023 884th somebody1234 800 95 20 Nov 2018 884th dokutan 800 95 15 Jan 2024 884th Yewzir 🇧🇪 800 95 6 Feb 2024 887th adoxography 799 59 22 Jul 2018 887th flavono123 799 59 19 Dec 2019 887th rbviz 799 59 29 Mar 2021 887th Shanethegamer 🇺🇸 799 59 13 Sep 2021 887th OhmNomNom 799 59 13 Oct 2022 887th tatzyr 🇯🇵 799 59 5 Apr 2025 893rd cbondurant 799 76 10 May 2021 893rd bob-th 799 76 24 Jan 2023 895th lynn 798 66 17 Feb 2024 896th inventshah 798 146 17 Jun 2022 896th dokutan 798 146 22 Jan 2024 898th dokutan 796 83 27 Mar 2024 899th GrayJoKing 🇦🇺 795 88 9 Oct 2023 900th Irratix 🇳🇱 793 147 11 Dec 2021 Prev 826–900 of 2,915 Next