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 Submitted 750th sean-niemann 🇺🇸 853 71 30 Oct 2024 752nd MeWhenI 🇻🇦 853 75 20 Jun 2022 752nd sean-niemann 🇺🇸 853 75 19 Nov 2024 754th ovs-code 🇩🇪 851 62 412ms 2 Mar 2024 754th CaedenHarper 🇨🇦 851 62 408ms 1 Feb 2025 756th DialFrost 🇸🇬 851 79 2ms 26 Dec 2024 757th RussellEmerine 850 80 155ms 30 Nov 2019 757th iczelia 🇩🇪 850 80 44 hours ago 759th btnlq 849 68 3ms 16 Jul 2023 759th ovs-code 🇩🇪 849 68 169ms 3 Aug 2024 761st DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 762nd NewDefectus 🇮🇱 849 84 2ms 16 Dec 2021 763rd DialFrost 🇸🇬 849 98 442ms 27 days ago 763rd Yewzir 🇧🇪 849 98 387ms 20 days ago 765th prplz 🇦🇺 846 96 135ms 30 Apr 2022 765th elgan65536 846 96 140ms 11 Nov 2023 767th dokutan 846 102 67ms 14 Apr 2024 768th lynn 845 59 25 May 2022 768th DialFrost 🇸🇬 845 59 26 Dec 2024 768th janlelis 845 59 884ms 14 Aug 2025 771st jared-hughes 845 71 10ms 29 Oct 2021 771st stefangimmillaro 845 71 9ms 27 Aug 2022 771st Maznek 845 71 12ms 19 Jun 2023 771st KrausRaus 🇺🇸 845 71 8 days ago 775th Frowny 844 72 13ms 3 Jul 2020 775th lifthrasiir 🇰🇷 844 72 10ms 13 Nov 2024 777th primo-ppcg 🇹🇭 843 67 176ms 27 Mar 2021 777th Steffan153 🇫🇮 843 67 150ms 28 Jan 2023 777th edsrzf 🇳🇿 843 67 152ms 23 Jun 2025 780th Lydxn 🇨🇦 843 83 2ms 10 Oct 2023 780th ovs-code 🇩🇪 843 83 5ms 10 Oct 2023 782nd villfa 842 75 13ms 30 Nov 2018 782nd LostSyntax21 🇬🇧 842 75 14ms 8 Jan 2025 784th jslip 841 35 5 Sep 2018 784th rak1507 🇬🇧 841 35 20 Sep 2021 786th Steffan153 🇫🇮 841 99 2ms 28 Jan 2023 786th pardouin 🇫🇷 841 99 1ms 21 Sep 2024 786th sean-niemann 🇺🇸 841 99 1ms 9 May 2025 789th HumanEquivalentUnit 839 59 288ms 10 Oct 2020 790th Laar 839 81 177ms 1 Apr 2019 790th alomiF 839 81 171ms 5 Oct 2023 790th brimstonetrader 839 81 134ms 26 Jan 2024 793rd annaproxy 839 85 2ms 18 May 2023 794th MeWhenI 🇻🇦 839 92 450ms 10 Oct 2022 795th Yewzir 🇧🇪 838 79 3ms 22 Dec 2023 795th albanian-laundromat 838 79 2ms 24 Jun 2025 797th AdrienHache 🇫🇷 838 103 55ms 7 Jan 2024 798th edsrzf 🇳🇿 837 97 123ms 4 Mar 2025 799th SirFireball3521 836 45 22 Mar 2023 800th GrayJoKing 🇦🇺 836 80 124ms 15 Jul 2023 801st Shanethegamer 🇺🇸 833 30 2ms 13 Jan 2022 802nd PatrickStephansen 🇿🇦 833 72 13ms 3 Nov 2020 802nd KatieLG 🇬🇧 833 72 9ms 16 Apr 2021 802nd neihousaigaai 833 72 10ms 18 Apr 2021 802nd two-bad 🇬🇧 833 72 11ms 25 Feb 2024 806th mogron 832 73 12ms 13 Dec 2019 806th FlorianCassayre 🇫🇷 832 73 12ms 30 Oct 2022 806th StefanHabel 🇨🇦 832 73 10ms 11 Dec 2022 809th duckyluuk 🇳🇱 831 73 5ms 16 Dec 2024 810th acacopardo 831 76 14ms 14 Nov 2017 810th MeWhenI 🇻🇦 831 76 14ms 15 Sep 2021 810th DaCuteRaccoon 831 76 13ms 30 Nov 2022 813th marshallward 🇺🇸 831 81 41ms 2 Sep 2022 814th djeedjay 🇳🇱 830 86 2ms 26 Oct 2020 814th Yewzir 🇧🇪 830 86 2ms 22 Dec 2023 816th fuzzylojik-golf 🇺🇸 830 93 433ms 30 Aug 2025 817th GrayJoKing 🇦🇺 829 53 18ms 10 Apr 2021 817th scpchicken 🇵🇼 829 53 32ms 23 May 2021 817th kurkale6ka 829 53 19ms 16 Jun 2021 817th sean-niemann 🇺🇸 829 53 32ms 7 Sep 2021 817th MeWhenI 🇻🇦 829 53 33ms 15 Sep 2021 817th DaCuteRaccoon 829 53 32ms 30 Nov 2022 817th Steffan153 🇫🇮 829 53 32ms 28 Jan 2023 817th DialFrost 🇸🇬 829 53 33ms 28 Jan 2023 817th snoozingnewt 🇺🇸 829 53 48ms 1 Sep 2024 First Prev 751–825 of 3,068 Next Last