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 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 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 447th MeWhenI 🇻🇦 837 42 69ms 2 Nov 2023 447th Yewzir 🇧🇪 837 42 81ms 7 Mar 2024 447th pardouin 🇫🇷 837 42 71ms 24 Aug 2024 447th edsrzf 🇳🇿 837 42 74ms 17 Jan 2025 447th sean-niemann 🇺🇸 837 42 81ms 7 Apr 2025 447th DialFrost 🇸🇬 837 42 69ms 7 Apr 2025 447th fuzzylojik-golf 🇺🇸 837 42 74ms 17 Sep 2025 458th the-zammers 836 69 131ms 2 Dec 2024 459th UnderKoen 🇳🇱 836 85 2ms 1 Jul 2022 459th sisyphus-ppcg 🇦🇺 836 85 1ms 7 Jul 2022 459th m-tkach 🇺🇦 836 85 1ms 8 Mar 2023 459th Lydxn 🇨🇦 836 85 1ms 19 Jul 2023 459th edsrzf 🇳🇿 836 85 2ms 5 Mar 2025 464th nwellnhof 🇩🇪 832 79 338ms 25 Sep 2025 464th stefangimmillaro 832 79 337ms 6 Oct 2025 464th DialFrost 🇸🇬 832 79 334ms 23 days ago 464th h3ra993huskp 🇯🇵 832 79 371ms 7 days ago 464th ScottHamper 832 79 361ms 7 days ago 469th msbranicky 832 102 261ms 8 Sep 2023 469th kkoenig 832 102 267ms 5 Jan 2024 471st AdrienHache 🇫🇷 831 83 52ms 7 Jan 2024 471st sean-niemann 🇺🇸 831 83 53ms 21 Mar 2025 473rd stackofbears 828 33 35ms 14 Mar 2025 473rd 2bular 828 33 30ms 6 Nov 2025 475th MeWhenI 🇻🇦 827 36 2ms 24 Jul 2021 476th stefangimmillaro 827 76 119ms 4 Oct 2023 477th AlephSquirrel 827 83 6ms 21 Jan 2023 478th agschwender 824 103 270ms 21 Apr 2020 478th JunkIce 824 103 273ms 23 Feb 2025 480th Shanethegamer 🇺🇸 823 66 98ms 13 Mar 2023 481st AdrienHache 🇫🇷 822 64 2ms 7 Jan 2024 482nd Shanethegamer 🇺🇸 817 28 45ms 22 Jul 2022 483rd AlephSquirrel 815 27 2ms 3 Nov 2025 484th Constructor7 812 58 9ms 24 Feb 2018 484th GolfingSuccess 🇬🇷 812 58 12ms 26 Mar 2018 484th xnor-gate 812 58 15ms 12 Apr 2018 484th kmaork 🇮🇱 812 58 9ms 18 Apr 2018 484th edre 812 58 10ms 30 Apr 2018 484th j55d 812 58 10ms 19 Sep 2018 484th daedals 812 58 9ms 16 Apr 2019 484th villfa 812 58 9ms 20 May 2019 484th TFeld00 🇩🇰 812 58 9ms 31 May 2019 484th marcin7Cd 812 58 10ms 27 Aug 2019 484th jiaminglimjm 🇲🇾 812 58 10ms 12 Dec 2019 484th SirBogman 🇺🇸 812 58 9ms 4 Jan 2020 484th thisishowmymindworks 🇳🇴 812 58 9ms 22 Jul 2020 484th ToriTheChicken 812 58 9ms 23 Jul 2020 484th anter69 🇭🇺 812 58 9ms 14 Jan 2021 484th lynn 812 58 12ms 2 Mar 2021 484th vezzick 812 58 9ms 7 Mar 2021 484th Indivicivet 812 58 9ms 26 Mar 2021 484th Larspolo 812 58 9ms 20 Jun 2021 484th emplv 🇱🇻 812 58 9ms 31 Aug 2021 484th jared-hughes 812 58 16ms 19 Sep 2021 484th ovs-code 🇩🇪 812 58 10ms 1 Feb 2022 484th MichaelMBradley 🇨🇦 812 58 10ms 11 Jun 2022 484th bricknellj 812 58 10ms 29 Jun 2022 484th janbehrens 🇩🇪 812 58 9ms 4 Jul 2022 484th betaveros 812 58 9ms 9 Aug 2022 484th 5quiwyrm 812 58 10ms 20 Aug 2022 484th ItsMeNoobieboy 812 58 9ms 21 Dec 2022 484th AlephSquirrel 812 58 10ms 28 Jan 2023 484th scpchicken 🇵🇼 812 58 9ms 28 Jan 2023 484th CheeseCake628 🇳🇴 812 58 16ms 16 Feb 2023 484th Just4FunCoder 812 58 9ms 22 Mar 2023 484th fourth-bit 812 58 9ms 11 Jul 2023 484th RYNO8 812 58 9ms 22 Aug 2023 484th Rubiksmath 812 58 9ms 25 Aug 2023 484th Yewzir 🇧🇪 812 58 11ms 6 Oct 2023 484th keelimeguy 🇺🇸 812 58 16ms 19 Oct 2023 484th 1231234md5 🇨🇳 812 58 10ms 13 Dec 2023 484th stackofbears 812 58 9ms 27 Dec 2023 484th CutSandstone 812 58 9ms 5 Jul 2024 484th Bulmenisaurus 812 58 9ms 17 Jul 2024 484th CaedenHarper 🇨🇦 812 58 10ms 6 Aug 2024 First Prev 451–525 of 3,120 Next Last