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 Hilbert Curve 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Hilbert Curve 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 898th cywong-amino 🇭🇰 800 75 30 Sep 2020 898th ScottHamper 800 75 23 May 2021 898th nathanadams 🇳🇿 800 75 13 Oct 2021 898th shawphy 800 75 14 Oct 2021 898th tayloia 🇬🇧 800 75 11 May 2023 898th Yewzir 🇧🇪 800 75 6 Dec 2023 907th somebody1234 800 95 20 Nov 2018 907th dokutan 800 95 15 Jan 2024 907th Yewzir 🇧🇪 800 95 6 Feb 2024 910th jared-hughes 800 104 19 days ago 911th lynn 799 66 17 Feb 2024 912th cbondurant 799 76 10 May 2021 912th bob-th 799 76 24 Jan 2023 914th dokutan 798 83 27 Mar 2024 915th GrayJoKing 🇦🇺 795 88 9 Oct 2023 916th marcin7Cd 793 90 17 May 2020 916th dokutan 793 90 1 May 2024 918th cure-honey 🇯🇵 792 85 15 Jul 2021 918th primo-ppcg 🇹🇭 792 85 14 Jan 2025 920th roavin 790 93 16 May 2022 921st kevlened 789 76 22 Oct 2018 921st emgordon154 789 76 22 Dec 2021 921st inventshah 789 76 6 May 2022 921st helbling 🇨🇭 789 76 4 Jul 2024 925th ahmetdemirag 🇨🇾 789 77 11 Feb 2025 926th GrayJoKing 🇦🇺 789 85 1 Mar 2021 927th albanian-laundromat 787 67 10 Aug 2025 928th Andriamanitra 🇫🇮 786 60 20 Jul 2022 929th Shanethegamer 🇺🇸 786 89 9 Oct 2023 929th MeWhenI 🇻🇦 786 89 10 Oct 2023 931st Irratix 🇳🇱 784 91 19 Dec 2021 932nd MeWhenI 🇻🇦 783 63 11 Nov 2021 933rd SirBogman 🇺🇸 783 86 2 Nov 2022 934th CaedenHarper 🇨🇦 782 71 11 Sep 2025 935th gnuvince 781 32 2 Aug 2024 935th codereport 🇨🇦 781 32 21 Apr 2025 937th FlyingPenguin223 781 86 27 Oct 2024 938th guliyevemil1 🇦🇿 781 87 20 Apr 2020 938th strout 781 87 15 Dec 2023 940th Shanethegamer 🇺🇸 780 74 19 Aug 2024 941st aposteriorist 🇨🇦 780 99 27 Feb 2022 941st stackofbears 780 99 5 Mar 2022 943rd Natanaelel 🇸🇪 779 64 19 Sep 2021 944th jakobwitte 779 77 21 Mar 2018 944th j55d 779 77 29 Sep 2018 944th Mikaeel66 779 77 11 Nov 2019 944th ArmaanAS 779 77 8 Mar 2021 944th Re-Adventures 🇮🇳 779 77 18 May 2021 949th Waffle3z 779 78 9 Jul 2021 949th snydej 779 78 22 Nov 2024 949th InigoK 🇺🇸 779 78 5 Sep 2025 952nd KatieLG 🇬🇧 778 51 9 Dec 2020 952nd msbranicky 778 51 27 Jul 2023 952nd dokutan 778 51 11 Nov 2023 952nd AlephSquirrel 778 51 27 Jan 2025 956th galloj 🇨🇿 778 107 28 Aug 2022 957th Irratix 🇳🇱 778 111 3 Jan 2022 958th msbranicky 777 90 11 Oct 2023 959th bastatom 776 131 25 Feb 2024 960th yzhs 🇩🇪 774 38 21 Jun 2022 961st robymus 773 61 17 Sep 2018 962nd Shanethegamer 🇺🇸 772 60 9 Mar 2023 963rd albanian-laundromat 772 72 18 days ago 964th dpatterbee 770 132 24 Aug 2020 965th shuding 769 78 4 May 2020 965th igmcdowell 769 78 20 Dec 2021 965th dylanarmstrong 769 78 24 Jan 2024 968th Eilonlif 🇮🇱 769 79 20 Feb 2023 968th fkantelberg 769 79 22 Jul 2023 968th fgrosshans 🇫🇷 769 79 23 Jul 2024 968th EnTerr 769 79 1 Sep 2024 968th jipsong 🇩🇪 769 79 20 Jun 2025 973rd dokutan 769 87 23 Jul 2025 974th bluebear94 768 49 12 Feb 2018 974th prplz 🇦🇺 768 49 27 Sep 2021 First Prev 901–975 of 3,064 Next Last