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 751st MeWhenI 🇻🇦 853 71 24 Oct 2024 751st sean-niemann 🇺🇸 853 71 30 Oct 2024 753rd MeWhenI 🇻🇦 853 75 20 Jun 2022 753rd sean-niemann 🇺🇸 853 75 19 Nov 2024 755th DialFrost 🇸🇬 851 79 26 Dec 2024 756th ovs-code 🇩🇪 850 62 2 Mar 2024 756th CaedenHarper 🇨🇦 850 62 1 Feb 2025 758th btnlq 849 68 16 Jul 2023 758th ovs-code 🇩🇪 849 68 3 Aug 2024 760th DialFrost 🇸🇬 849 78 26 Dec 2024 761st RussellEmerine 849 80 30 Nov 2019 762nd NewDefectus 🇮🇱 849 84 16 Dec 2021 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 14 Aug 2025 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 844 72 3 Jul 2020 772nd lifthrasiir 🇰🇷 844 72 13 Nov 2024 772nd qpwoeirut 844 72 10 Aug 2025 775th primo-ppcg 🇹🇭 843 67 27 Mar 2021 775th Steffan153 🇫🇮 843 67 28 Jan 2023 775th edsrzf 🇳🇿 843 67 23 Jun 2025 778th Lydxn 🇨🇦 843 83 10 Oct 2023 778th ovs-code 🇩🇪 843 83 10 Oct 2023 780th villfa 842 75 30 Nov 2018 780th LostSyntax21 🇬🇧 842 75 8 Jan 2025 782nd jslip 840 35 5 Sep 2018 782nd rak1507 🇬🇧 840 35 20 Sep 2021 784th Steffan153 🇫🇮 840 99 28 Jan 2023 784th pardouin 🇫🇷 840 99 21 Sep 2024 784th sean-niemann 🇺🇸 840 99 9 May 2025 787th HumanEquivalentUnit 839 59 10 Oct 2020 788th Laar 839 81 1 Apr 2019 788th alomiF 839 81 5 Oct 2023 788th brimstonetrader 839 81 26 Jan 2024 791st annaproxy 839 85 18 May 2023 792nd MeWhenI 🇻🇦 839 92 10 Oct 2022 793rd Yewzir 🇧🇪 838 79 22 Dec 2023 793rd albanian-laundromat 838 79 24 Jun 2025 795th AdrienHache 🇫🇷 838 103 7 Jan 2024 796th edsrzf 🇳🇿 837 97 4 Mar 2025 797th SirFireball3521 836 45 22 Mar 2023 798th GrayJoKing 🇦🇺 835 80 15 Jul 2023 799th HumanoidCPU 834 192 13 May 2024 799th CaedenHarper 🇨🇦 834 192 16 Aug 2025 799th dokutan 834 192 7 hours ago 802nd Shanethegamer 🇺🇸 833 30 13 Jan 2022 803rd PatrickStephansen 🇿🇦 833 72 3 Nov 2020 803rd KatieLG 🇬🇧 833 72 16 Apr 2021 803rd neihousaigaai 833 72 18 Apr 2021 803rd two-bad 🇬🇧 833 72 25 Feb 2024 807th mogron 832 73 13 Dec 2019 807th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 807th StefanHabel 🇨🇦 832 73 11 Dec 2022 810th duckyluuk 🇳🇱 831 73 16 Dec 2024 811th acacopardo 831 76 14 Nov 2017 811th MeWhenI 🇻🇦 831 76 15 Sep 2021 811th DaCuteRaccoon 831 76 30 Nov 2022 814th marshallward 🇺🇸 831 81 2 Sep 2022 815th fuzzylojik-golf 🇺🇸 830 93 14 days ago 816th primo-ppcg 🇹🇭 829 67 25 Dec 2020 816th lynn 829 67 18 May 2021 816th Yewzir 🇧🇪 829 67 17 Sep 2023 816th sean-niemann 🇺🇸 829 67 8 Oct 2024 820th jared-hughes 829 82 11 Sep 2023 821st djeedjay 🇳🇱 829 86 26 Oct 2020 821st Yewzir 🇧🇪 829 86 22 Dec 2023 823rd GrayJoKing 🇦🇺 828 53 10 Apr 2021 823rd scpchicken 🇵🇼 828 53 23 May 2021 823rd kurkale6ka 828 53 16 Jun 2021 Prev 751–825 of 3,023 Next