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 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 Snake Sphenic Numbers 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 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 749th Lydxn 🇨🇦 853 82 28 Feb 2023 752nd ScottHamper 853 86 21 Nov 2021 753rd MeWhenI 🇻🇦 852 71 24 Oct 2024 753rd sean-niemann 🇺🇸 852 71 30 Oct 2024 755th ovs-code 🇩🇪 850 62 2 Mar 2024 755th CaedenHarper 🇨🇦 850 62 1 Feb 2025 757th DialFrost 🇸🇬 850 79 26 Dec 2024 758th ovs-code 🇩🇪 849 68 3 Aug 2024 759th RussellEmerine 849 80 30 Nov 2019 760th NewDefectus 🇮🇱 849 84 16 Dec 2021 761st btnlq 848 68 16 Jul 2023 762nd DialFrost 🇸🇬 848 78 26 Dec 2024 763rd dokutan 846 102 14 Apr 2024 764th lynn 845 59 25 May 2022 764th DialFrost 🇸🇬 845 59 26 Dec 2024 764th janlelis 845 59 26 days ago 767th jared-hughes 845 71 29 Oct 2021 767th stefangimmillaro 845 71 27 Aug 2022 767th Maznek 845 71 19 Jun 2023 770th prplz 🇦🇺 845 96 30 Apr 2022 770th elgan65536 845 96 11 Nov 2023 772nd Frowny 843 72 3 Jul 2020 772nd lifthrasiir 🇰🇷 843 72 13 Nov 2024 772nd qpwoeirut 843 72 10 Aug 2025 775th Lydxn 🇨🇦 843 83 10 Oct 2023 775th ovs-code 🇩🇪 843 83 10 Oct 2023 777th primo-ppcg 🇹🇭 842 67 27 Mar 2021 777th Steffan153 🇫🇮 842 67 28 Jan 2023 777th edsrzf 🇳🇿 842 67 23 Jun 2025 780th villfa 842 75 30 Nov 2018 780th LostSyntax21 🇬🇧 842 75 8 Jan 2025 782nd emgordon154 841 143 22 Dec 2021 782nd primo-ppcg 🇹🇭 841 143 5 Mar 2022 782nd Yewzir 🇧🇪 841 143 13 Jul 2023 782nd ovs-code 🇩🇪 841 143 10 Sep 2023 786th jslip 840 35 5 Sep 2018 786th rak1507 🇬🇧 840 35 20 Sep 2021 788th Steffan153 🇫🇮 840 99 28 Jan 2023 788th pardouin 🇫🇷 840 99 21 Sep 2024 788th sean-niemann 🇺🇸 840 99 9 May 2025 791st HumanEquivalentUnit 839 59 10 Oct 2020 792nd Laar 839 81 1 Apr 2019 792nd alomiF 839 81 5 Oct 2023 792nd brimstonetrader 839 81 26 Jan 2024 795th annaproxy 839 85 18 May 2023 796th MeWhenI 🇻🇦 838 92 10 Oct 2022 797th Yewzir 🇧🇪 837 79 22 Dec 2023 797th albanian-laundromat 837 79 24 Jun 2025 799th AdrienHache 🇫🇷 837 103 7 Jan 2024 800th SirFireball3521 836 45 22 Mar 2023 801st edsrzf 🇳🇿 836 97 4 Mar 2025 802nd emgordon154 835 31 11 Sep 2024 803rd GrayJoKing 🇦🇺 835 80 15 Jul 2023 804th jared-hughes 835 144 25 Oct 2022 805th Shanethegamer 🇺🇸 833 30 13 Jan 2022 806th PatrickStephansen 🇿🇦 833 72 3 Nov 2020 806th KatieLG 🇬🇧 833 72 16 Apr 2021 806th neihousaigaai 833 72 18 Apr 2021 806th two-bad 🇬🇧 833 72 25 Feb 2024 810th mogron 832 73 13 Dec 2019 810th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 810th StefanHabel 🇨🇦 832 73 11 Dec 2022 813th acacopardo 831 76 14 Nov 2017 813th MeWhenI 🇻🇦 831 76 15 Sep 2021 813th DaCuteRaccoon 831 76 30 Nov 2022 816th marshallward 🇺🇸 831 81 2 Sep 2022 817th primo-ppcg 🇹🇭 829 67 25 Dec 2020 817th lynn 829 67 18 May 2021 817th Yewzir 🇧🇪 829 67 17 Sep 2023 817th sean-niemann 🇺🇸 829 67 8 Oct 2024 821st duckyluuk 🇳🇱 829 73 16 Dec 2024 822nd jared-hughes 829 82 11 Sep 2023 823rd djeedjay 🇳🇱 829 86 26 Oct 2020 823rd Yewzir 🇧🇪 829 86 22 Dec 2023 825th fuzzylojik-golf 🇺🇸 829 93 10 days ago Prev 751–825 of 3,008 Next