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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 751st dokutan 846 102 14 Apr 2024 752nd lynn 845 59 25 May 2022 752nd DialFrost 🇸🇬 845 59 26 Dec 2024 754th jared-hughes 845 71 29 Oct 2021 754th stefangimmillaro 845 71 27 Aug 2022 754th Maznek 845 71 19 Jun 2023 757th prplz 🇦🇺 845 96 30 Apr 2022 757th elgan65536 845 96 11 Nov 2023 759th Frowny 843 72 3 Jul 2020 759th lifthrasiir 🇰🇷 843 72 13 Nov 2024 761st Lydxn 🇨🇦 843 83 10 Oct 2023 761st ovs-code 🇩🇪 843 83 10 Oct 2023 763rd primo-ppcg 🇹🇭 842 67 27 Mar 2021 763rd Steffan153 🇫🇮 842 67 28 Jan 2023 763rd edsrzf 🇳🇿 842 67 23 Jun 2025 766th villfa 842 75 30 Nov 2018 766th LostSyntax21 🇬🇧 842 75 8 Jan 2025 768th jslip 840 35 5 Sep 2018 768th rak1507 🇬🇧 840 35 20 Sep 2021 770th emgordon154 840 143 22 Dec 2021 770th primo-ppcg 🇹🇭 840 143 5 Mar 2022 770th Yewzir 🇧🇪 840 143 13 Jul 2023 770th ovs-code 🇩🇪 840 143 10 Sep 2023 774th annaproxy 839 85 18 May 2023 775th HumanEquivalentUnit 838 59 10 Oct 2020 776th Laar 838 81 1 Apr 2019 776th alomiF 838 81 5 Oct 2023 776th brimstonetrader 838 81 26 Jan 2024 779th Steffan153 🇫🇮 838 99 28 Jan 2023 779th pardouin 🇫🇷 838 99 21 Sep 2024 779th sean-niemann 🇺🇸 838 99 9 May 2025 782nd MeWhenI 🇻🇦 837 92 10 Oct 2022 783rd AdrienHache 🇫🇷 837 103 7 Jan 2024 784th SirFireball3521 836 45 22 Mar 2023 785th Yewzir 🇧🇪 836 79 22 Dec 2023 785th albanian-laundromat 836 79 24 Jun 2025 787th edsrzf 🇳🇿 836 97 4 Mar 2025 788th emgordon154 835 31 11 Sep 2024 789th GrayJoKing 🇦🇺 834 80 15 Jul 2023 790th jared-hughes 834 144 25 Oct 2022 791st Shanethegamer 🇺🇸 833 30 13 Jan 2022 792nd PatrickStephansen 🇿🇦 833 72 3 Nov 2020 792nd KatieLG 🇬🇧 833 72 16 Apr 2021 792nd neihousaigaai 833 72 18 Apr 2021 792nd two-bad 🇬🇧 833 72 25 Feb 2024 796th mogron 832 73 13 Dec 2019 796th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 796th StefanHabel 🇨🇦 832 73 11 Dec 2022 799th acacopardo 831 76 14 Nov 2017 799th MeWhenI 🇻🇦 831 76 15 Sep 2021 799th DaCuteRaccoon 831 76 30 Nov 2022 802nd janlelis 830 60 21 Apr 2021 803rd marshallward 🇺🇸 830 81 2 Sep 2022 804th djeedjay 🇳🇱 829 86 26 Oct 2020 804th Yewzir 🇧🇪 829 86 22 Dec 2023 806th GrayJoKing 🇦🇺 828 53 10 Apr 2021 806th scpchicken 🇵🇼 828 53 23 May 2021 806th kurkale6ka 828 53 16 Jun 2021 806th sean-niemann 🇺🇸 828 53 7 Sep 2021 806th MeWhenI 🇻🇦 828 53 15 Sep 2021 806th DaCuteRaccoon 828 53 30 Nov 2022 806th Steffan153 🇫🇮 828 53 28 Jan 2023 806th DialFrost 🇸🇬 828 53 28 Jan 2023 806th snoozingnewt 🇺🇸 828 53 1 Sep 2024 806th LostSyntax21 🇬🇧 828 53 8 Jan 2025 816th primo-ppcg 🇹🇭 828 67 25 Dec 2020 816th lynn 828 67 18 May 2021 816th Yewzir 🇧🇪 828 67 17 Sep 2023 816th sean-niemann 🇺🇸 828 67 8 Oct 2024 820th jared-hughes 828 82 11 Sep 2023 821st CLOStrophobic 🇮🇹 828 102 14 Feb 2025 822nd anter69 🇭🇺 827 57 3 Aug 2021 822nd annaproxy 827 57 27 Aug 2022 822nd BREMAUCY 🇫🇷 827 57 26 Mar 2024 825th duckyluuk 🇳🇱 827 73 16 Dec 2024 Prev 751–825 of 2,919 Next