Happy Numbers (Long) 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 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 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 snoozingnewt 🇨🇦 838 82 3ms 13 Sep 2025 452nd DialFrost 🇸🇬 838 98 379ms 17 days ago 453rd Waffle3z 837 91 2ms 19 Sep 2021 453rd primo-ppcg 🇹🇭 837 91 2ms 23 Sep 2021 453rd JayXon 🇺🇸 837 91 2ms 3 Oct 2021 453rd Lydxn 🇨🇦 837 91 2ms 9 Apr 2022 453rd btnlq 837 91 2ms 27 Dec 2022 453rd FlyingPenguin223 837 91 2ms 29 Oct 2024 459th jared-hughes 837 181 1,584ms 16 Sep 2025 459th MeWhenI 🇻🇦 837 181 1,567ms 26 days ago 461st dokutan 836 67 642ms 4 Feb 2025 462nd Shanethegamer 🇺🇸 836 95 100ms 14 Oct 2022 462nd emplv 🇱🇻 836 95 103ms 28 Oct 2022 462nd Yewzir 🇧🇪 836 95 102ms 28 Mar 2024 465th stefangimmillaro 836 111 338ms 6 Oct 2025 465th kmathis22 836 111 345ms 14 days ago 465th ethanlally 836 111 353ms 11 days ago 465th dokutan 836 111 347ms 10 days ago 469th Irratix 🇳🇱 836 112 61ms 3 Jan 2022 470th lynn 835 119 150ms 10 Mar 2022 470th ovs-code 🇩🇪 835 119 130ms 23 Jun 2023 470th mousetail 🇳🇱 835 119 134ms 15 Jan 2024 473rd rak1507 🇬🇧 834 36 37ms 20 Sep 2021 473rd Steffan153 🇫🇮 834 36 196ms 16 Dec 2022 473rd ovs-code 🇩🇪 834 36 203ms 31 Dec 2023 476th Shanethegamer 🇺🇸 833 102 1,297ms 20 Mar 2023 477th primo-ppcg 🇹🇭 832 91 125ms 2 Apr 2022 477th Ripick 832 91 125ms 1 Feb 2023 479th rucin93 🇵🇱 831 64 134ms 6 Sep 2024 480th albanian-laundromat 831 105 45ms 7 Sep 2025 481st stackofbears 830 99 460ms 21 Mar 2022 482nd Yewzir 🇧🇪 829 87 2ms 14 days ago 483rd Shanethegamer 🇺🇸 828 31 6ms 13 Jan 2022 484th pardouin 🇫🇷 828 83 3ms 8 Oct 2024 484th LostSyntax21 🇬🇧 828 83 3ms 8 Jan 2025 486th MeWhenI 🇻🇦 828 113 56ms 29 Nov 2022 487th Shanethegamer 🇺🇸 828 120 116ms 13 Jan 2022 487th MeWhenI 🇻🇦 828 120 124ms 9 May 2023 487th emgordon154 828 120 130ms 14 Mar 2025 490th ovs-code 🇩🇪 828 166 479ms 29 Mar 2025 490th emgordon154 828 166 432ms 21 May 2025 492nd MeWhenI 🇻🇦 827 91 119ms 5 Sep 2023 493rd prplz 🇦🇺 827 103 115ms 18 Dec 2021 493rd dokutan 827 103 81ms 27 days ago 495th albanian-laundromat 825 73 759ms 23 Sep 2025 496th RYNO8 824 72 19ms 28 Sep 2021 496th FlorianCassayre 🇫🇷 824 72 217ms 18 Sep 2023 496th tobeannouncd 824 72 19ms 25 Apr 2025 499th GrayJoKing 🇦🇺 823 50 95ms 19 Sep 2021 499th janlelis 823 50 93ms 20 Sep 2021 499th JayXon 🇺🇸 823 50 94ms 28 Sep 2021 499th sisyphus-ppcg 🇦🇺 823 50 86ms 6 May 2022 499th radarek 🇵🇱 823 50 85ms 25 May 2022 499th sean-niemann 🇺🇸 823 50 113ms 23 Dec 2024 499th pardouin 🇫🇷 823 50 71ms 9 Apr 2025 499th stefangimmillaro 823 50 99ms 27 May 2025 507th inventshah 823 60 1,055ms 29 Sep 2023 507th emgordon154 823 60 821ms 18 Nov 2024 509th albanian-laundromat 823 68 457ms 7 Oct 2025 510th IanUtley 823 92 2,995ms 24 Oct 2023 511th sean-niemann 🇺🇸 823 106 43ms 21 Apr 2023 512th neihousaigaai 822 72 10ms 2 Oct 2021 512th stefangimmillaro 822 72 15ms 29 Sep 2023 512th two-bad 🇬🇧 822 72 13ms 25 Feb 2024 512th KrausRaus 🇺🇸 822 72 14ms 14 Oct 2025 516th inventshah 822 98 543ms 10 Sep 2022 516th MeWhenI 🇻🇦 822 98 12ms 16 Aug 2023 518th sean-niemann 🇺🇸 821 28 75ms 22 Jul 2022 518th lynn 821 28 63ms 22 Jul 2022 518th MeWhenI 🇻🇦 821 28 78ms 23 Jul 2022 518th sisyphus-ppcg 🇦🇺 821 28 59ms 24 Jul 2022 518th jared-hughes 821 28 55ms 29 Jul 2022 518th AlephSquirrel 821 28 66ms 30 Dec 2022 518th Steffan153 🇫🇮 821 28 61ms 12 Jan 2023 518th DialFrost 🇸🇬 821 28 66ms 28 Jan 2023 First Prev 451–525 of 2,008 Next Last