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 Calendar 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 Multitap Input 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 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 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 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 477th FlyingPenguin223 836 91 2ms 8 days ago 482nd Shanethegamer 🇺🇸 836 95 114ms 14 Oct 2022 482nd emplv 🇱🇻 836 95 108ms 28 Oct 2022 482nd Yewzir 🇧🇪 836 95 116ms 28 Mar 2024 485th stefangimmillaro 836 111 507ms 6 Oct 2025 485th kmathis22 836 111 379ms 20 Nov 2025 485th ethanlally 836 111 387ms 23 Nov 2025 485th dokutan 836 111 373ms 23 Nov 2025 485th snoozingnewt 🇨🇦 836 111 449ms 5 Dec 2025 490th MeWhenI 🇻🇦 836 113 59ms 29 Nov 2022 491st lynn 835 119 151ms 10 Mar 2022 491st ovs-code 🇩🇪 835 119 139ms 23 Jun 2023 491st mousetail 🇳🇱 835 119 136ms 15 Jan 2024 494th rak1507 🇬🇧 834 36 36ms 20 Sep 2021 494th Steffan153 🇫🇮 834 36 199ms 16 Dec 2022 494th ovs-code 🇩🇪 834 36 192ms 31 Dec 2023 497th Shanethegamer 🇺🇸 833 102 1,450ms 20 Mar 2023 498th Yewzir 🇧🇪 832 87 2ms 20 Nov 2025 499th primo-ppcg 🇹🇭 832 91 127ms 2 Apr 2022 499th Ripick 832 91 130ms 1 Feb 2023 501st rucin93 🇵🇱 831 64 142ms 6 Sep 2024 502nd stackofbears 831 99 443ms 21 Mar 2022 503rd albanian-laundromat 831 105 40ms 7 Sep 2025 504th Shanethegamer 🇺🇸 829 114 55ms 18 Dec 2022 504th Yewzir 🇧🇪 829 114 56ms 14 Jan 2024 506th edsrzf 🇳🇿 829 118 27ms 5 days ago 507th pardouin 🇫🇷 828 83 3ms 8 Oct 2024 507th LostSyntax21 🇬🇧 828 83 3ms 8 Jan 2025 509th Shanethegamer 🇺🇸 828 120 126ms 13 Jan 2022 509th MeWhenI 🇻🇦 828 120 130ms 9 May 2023 509th emgordon154 828 120 124ms 14 Mar 2025 512th ovs-code 🇩🇪 828 166 1,404ms 29 Mar 2025 512th emgordon154 828 166 1,398ms 21 May 2025 514th albanian-laundromat 827 73 1,053ms 23 Sep 2025 515th MeWhenI 🇻🇦 827 91 115ms 5 Sep 2023 516th prplz 🇦🇺 827 103 122ms 18 Dec 2021 516th dokutan 827 103 84ms 6 Nov 2025 518th CornerMercury 🇬🇧 826 30 5ms 23 days ago 519th GrayJoKing 🇦🇺 824 50 101ms 19 Sep 2021 519th janlelis 824 50 112ms 20 Sep 2021 519th JayXon 🇺🇸 824 50 101ms 28 Sep 2021 519th sisyphus-ppcg 🇦🇺 824 50 92ms 6 May 2022 519th radarek 🇵🇱 824 50 87ms 25 May 2022 519th sean-niemann 🇺🇸 824 50 95ms 23 Dec 2024 519th pardouin 🇫🇷 824 50 77ms 9 Apr 2025 519th stefangimmillaro 824 50 103ms 27 May 2025 519th Steffan153 🇫🇮 824 50 89ms 3 days ago 528th albanian-laundromat 824 68 444ms 7 Oct 2025 529th RYNO8 824 72 20ms 28 Sep 2021 529th FlorianCassayre 🇫🇷 824 72 223ms 18 Sep 2023 529th tobeannouncd 824 72 22ms 25 Apr 2025 529th 4atj 824 72 152ms 4 Dec 2025 529th HPWiz 🇳🇿 824 72 146ms 5 Dec 2025 534th inventshah 823 60 1,340ms 29 Sep 2023 534th emgordon154 823 60 1,286ms 18 Nov 2024 536th IanUtley 823 92 2,995ms 24 Oct 2023 537th sean-niemann 🇺🇸 823 106 40ms 21 Apr 2023 537th DialFrost 🇸🇬 823 106 41ms 31 Dec 2025 539th neihousaigaai 822 72 12ms 2 Oct 2021 539th stefangimmillaro 822 72 15ms 29 Sep 2023 539th two-bad 🇬🇧 822 72 18ms 25 Feb 2024 539th Lv0Sys 🇵🇱 822 72 12ms 5 Dec 2025 543rd Shanethegamer 🇺🇸 822 88 2ms 19 Nov 2025 543rd DialFrost 🇸🇬 822 88 2ms 15 Dec 2025 545th inventshah 822 98 538ms 10 Sep 2022 545th MeWhenI 🇻🇦 822 98 12ms 16 Aug 2023 547th h3ra993huskp 🇯🇵 822 113 503ms 30 Nov 2025 548th sean-niemann 🇺🇸 821 28 67ms 22 Jul 2022 548th lynn 821 28 65ms 22 Jul 2022 548th MeWhenI 🇻🇦 821 28 72ms 23 Jul 2022 548th sisyphus-ppcg 🇦🇺 821 28 64ms 24 Jul 2022 548th jared-hughes 821 28 60ms 29 Jul 2022 548th AlephSquirrel 821 28 68ms 30 Dec 2022 548th Steffan153 🇫🇮 821 28 61ms 12 Jan 2023 548th DialFrost 🇸🇬 821 28 68ms 28 Jan 2023 548th CornerMercury 🇬🇧 821 28 63ms 24 Aug 2023 548th ovs-code 🇩🇪 821 28 69ms 2 Feb 2024 548th snoozingnewt 🇨🇦 821 28 62ms 1 Sep 2024 548th pardouin 🇫🇷 821 28 59ms 21 Sep 2024 548th LostSyntax21 🇬🇧 821 28 61ms 8 Jan 2025 First Prev 481–560 of 2,057 Next Last