Happy Numbers in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Minesweeper 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 Tower of Hanoi 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Minesweeper 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 Tower of Hanoi 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 486th Bulmenisaurus 812 58 10ms 17 Jul 2024 486th CaedenHarper 🇨🇦 812 58 9ms 6 Aug 2024 486th codingisgreatbutiamnot 812 58 15ms 12 Aug 2024 486th plcc0 812 58 9ms 20 Feb 2025 486th albanian-laundromat 812 58 9ms 30 Jun 2025 486th SanderRuud 812 58 9ms 13 Jul 2025 486th edsrzf 🇳🇿 812 58 9ms 15 Sep 2025 486th qpwoeirut 812 58 9ms 1 Oct 2025 486th blaztoma 🇱🇹 812 58 9ms 23 days ago 486th Emutis 🇱🇹 812 58 9ms 23 days ago 486th ryyyn 🇺🇸 812 58 9ms 6 days ago 537th emplv 🇱🇻 811 67 103ms 14 Mar 2023 538th somebody1234 807 85 5ms 20 Nov 2018 538th dokutan 807 85 5ms 15 Jan 2024 538th Yewzir 🇧🇪 807 85 4ms 6 Feb 2024 541st ovs-code 🇩🇪 805 77 462ms 29 Jul 2024 542nd sisyphus-ppcg 🇦🇺 805 91 1ms 18 May 2022 542nd ovs-code 🇩🇪 805 91 1ms 20 May 2022 542nd inventshah 805 91 1ms 4 Jun 2022 542nd nwellnhof 🇩🇪 805 91 1ms 8 Jul 2022 542nd retrohun 805 91 1ms 30 Apr 2023 542nd kritixilithos 805 91 1ms 22 May 2024 548th lynn 804 34 38ms 13 Apr 2021 548th jared-hughes 804 34 33ms 30 Sep 2021 548th Natanaelel 🇸🇪 804 34 41ms 28 Nov 2023 548th SirBogman 🇺🇸 804 34 33ms 8 Jul 2025 548th fuzzylojik-golf 🇺🇸 804 34 34ms 9 Sep 2025 553rd primo-ppcg 🇹🇭 802 61 79ms 9 Feb 2022 554th Bubbler-4 801 72 134ms 20 Feb 2019 554th xnor-gate 801 72 137ms 22 Dec 2021 554th tobeannouncd 801 72 137ms 11 Jan 2024 557th pardouin 🇫🇷 801 106 285ms 24 Aug 2024 558th DialFrost 🇸🇬 800 62 46ms 21 Jan 2025 559th kevinmchung 799 59 9ms 24 Feb 2018 559th benwilliamgraham 799 59 9ms 26 Jan 2019 559th mogron 799 59 9ms 13 Dec 2019 559th mortimervonchappuis 799 59 10ms 17 Mar 2020 559th OllieBoyne 🇬🇧 799 59 9ms 16 Jan 2021 559th SnowballSH 799 59 9ms 31 Jan 2021 559th vishwathg 799 59 9ms 16 Aug 2022 559th StefanHabel 🇨🇦 799 59 9ms 11 Dec 2022 559th emirps 799 59 9ms 22 Feb 2023 559th AlexanderFair 799 59 9ms 2 Jul 2023 559th AVDestroyer 799 59 9ms 4 Sep 2023 559th eiburns 799 59 9ms 13 Sep 2023 559th m42km 799 59 9ms 7 Oct 2023 559th elgan65536 799 59 16ms 4 Apr 2024 559th KasperKivimaeki 🇫🇮 799 59 10ms 5 Jul 2025 559th dirckvdende 799 59 9ms 6 Jul 2025 575th clockworknazo 798 82 4ms 13 Oct 2022 575th ovs-code 🇩🇪 798 82 5ms 7 Feb 2023 577th emplv 🇱🇻 797 62 10ms 15 Dec 2021 577th rucin93 🇵🇱 797 62 9ms 19 Apr 2024 577th vlpx 🇫🇮 797 62 10ms 18 Jun 2024 580th SirFireball3521 796 39 199ms 22 Mar 2023 581st primo-ppcg 🇹🇭 796 70 38ms 4 Jan 2024 581st stefangimmillaro 796 70 38ms 14 Jan 2024 583rd MeWhenI 🇻🇦 795 44 3ms 12 Aug 2024 583rd sisyphus-ppcg 🇦🇺 795 44 3ms 12 Aug 2024 583rd DialFrost 🇸🇬 795 44 4ms 15 Aug 2024 583rd ovs-code 🇩🇪 795 44 3ms 15 Aug 2024 583rd Shanethegamer 🇺🇸 795 44 4ms 15 Aug 2024 583rd GrayJoKing 🇦🇺 795 44 3ms 17 Aug 2024 583rd emgordon154 795 44 3ms 19 Aug 2024 583rd pardouin 🇫🇷 795 44 3ms 6 Sep 2024 583rd sean-niemann 🇺🇸 795 44 3ms 13 Jan 2025 583rd snoozingnewt 🇨🇦 795 44 4ms 8 days ago 593rd Yewzir 🇧🇪 792 54 6ms 14 Dec 2023 593rd dokutan 792 54 5ms 19 May 2024 593rd emgordon154 792 54 5ms 5 Dec 2024 593rd edsrzf 🇳🇿 792 54 6ms 21 Jan 2025 593rd kg583 🇺🇸 792 54 7ms 30 Jul 2025 593rd snoozingnewt 🇨🇦 792 54 7ms 8 days ago 599th neel11235813 791 55 378ms 10 Mar 2024 599th albanian-laundromat 791 55 405ms 7 Oct 2025 First Prev 526–600 of 3,122 Next Last