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 751st MeWhenI 🇻🇦 853 71 3,493ms 24 Oct 2024 751st sean-niemann 🇺🇸 853 71 2,572ms 30 Oct 2024 753rd MeWhenI 🇻🇦 853 75 40ms 20 Jun 2022 753rd sean-niemann 🇺🇸 853 75 42ms 19 Nov 2024 755th ovs-code 🇩🇪 851 62 412ms 2 Mar 2024 755th CaedenHarper 🇨🇦 851 62 408ms 1 Feb 2025 757th DialFrost 🇸🇬 851 79 2ms 26 Dec 2024 758th RussellEmerine 850 80 155ms 30 Nov 2019 758th iczelia 🇩🇪 850 80 173ms 4 days ago 760th btnlq 849 68 3ms 16 Jul 2023 760th ovs-code 🇩🇪 849 68 169ms 3 Aug 2024 762nd DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 763rd NewDefectus 🇮🇱 849 84 2ms 16 Dec 2021 764th DialFrost 🇸🇬 849 98 442ms 24 Sep 2025 764th Yewzir 🇧🇪 849 98 755ms 23 days ago 766th prplz 🇦🇺 846 96 135ms 30 Apr 2022 766th elgan65536 846 96 140ms 11 Nov 2023 768th dokutan 846 102 67ms 14 Apr 2024 769th lynn 845 59 888ms 25 May 2022 769th DialFrost 🇸🇬 845 59 907ms 26 Dec 2024 769th janlelis 845 59 884ms 14 Aug 2025 772nd jared-hughes 845 71 10ms 29 Oct 2021 772nd stefangimmillaro 845 71 9ms 27 Aug 2022 772nd Maznek 845 71 12ms 19 Jun 2023 772nd KrausRaus 🇺🇸 845 71 10ms 11 days ago 776th Frowny 844 72 13ms 3 Jul 2020 776th lifthrasiir 🇰🇷 844 72 10ms 13 Nov 2024 778th primo-ppcg 🇹🇭 843 67 176ms 27 Mar 2021 778th Steffan153 🇫🇮 843 67 150ms 28 Jan 2023 778th edsrzf 🇳🇿 843 67 152ms 23 Jun 2025 781st Lydxn 🇨🇦 843 83 2ms 10 Oct 2023 781st ovs-code 🇩🇪 843 83 5ms 10 Oct 2023 783rd villfa 842 75 13ms 30 Nov 2018 783rd LostSyntax21 🇬🇧 842 75 14ms 8 Jan 2025 785th jslip 841 35 36ms 5 Sep 2018 785th rak1507 🇬🇧 841 35 37ms 20 Sep 2021 787th Steffan153 🇫🇮 841 99 2ms 28 Jan 2023 787th pardouin 🇫🇷 841 99 1ms 21 Sep 2024 787th sean-niemann 🇺🇸 841 99 1ms 9 May 2025 790th HumanEquivalentUnit 839 59 288ms 10 Oct 2020 791st Laar 839 81 177ms 1 Apr 2019 791st alomiF 839 81 171ms 5 Oct 2023 791st brimstonetrader 839 81 134ms 26 Jan 2024 794th annaproxy 839 85 2ms 18 May 2023 795th MeWhenI 🇻🇦 839 92 450ms 10 Oct 2022 796th Yewzir 🇧🇪 838 79 3ms 22 Dec 2023 796th albanian-laundromat 838 79 2ms 24 Jun 2025 798th AdrienHache 🇫🇷 838 103 55ms 7 Jan 2024 799th edsrzf 🇳🇿 837 97 123ms 4 Mar 2025 800th SirFireball3521 836 45 147ms 22 Mar 2023 801st GrayJoKing 🇦🇺 836 80 124ms 15 Jul 2023 802nd Shanethegamer 🇺🇸 833 30 2ms 13 Jan 2022 803rd PatrickStephansen 🇿🇦 833 72 13ms 3 Nov 2020 803rd KatieLG 🇬🇧 833 72 9ms 16 Apr 2021 803rd neihousaigaai 833 72 10ms 18 Apr 2021 803rd two-bad 🇬🇧 833 72 11ms 25 Feb 2024 807th mogron 832 73 12ms 13 Dec 2019 807th FlorianCassayre 🇫🇷 832 73 12ms 30 Oct 2022 807th StefanHabel 🇨🇦 832 73 10ms 11 Dec 2022 807th DrakeSeteraO 832 73 14ms 84 mins ago 811th duckyluuk 🇳🇱 831 73 5ms 16 Dec 2024 812th acacopardo 831 76 14ms 14 Nov 2017 812th MeWhenI 🇻🇦 831 76 14ms 15 Sep 2021 812th DaCuteRaccoon 831 76 13ms 30 Nov 2022 815th marshallward 🇺🇸 831 81 41ms 2 Sep 2022 816th djeedjay 🇳🇱 830 86 2ms 26 Oct 2020 816th Yewzir 🇧🇪 830 86 2ms 22 Dec 2023 818th fuzzylojik-golf 🇺🇸 830 93 433ms 30 Aug 2025 819th GrayJoKing 🇦🇺 829 53 18ms 10 Apr 2021 819th scpchicken 🇵🇼 829 53 32ms 23 May 2021 819th kurkale6ka 829 53 19ms 16 Jun 2021 819th sean-niemann 🇺🇸 829 53 32ms 7 Sep 2021 819th MeWhenI 🇻🇦 829 53 33ms 15 Sep 2021 819th DaCuteRaccoon 829 53 32ms 30 Nov 2022 819th Steffan153 🇫🇮 829 53 32ms 28 Jan 2023 First Prev 751–825 of 3,074 Next Last