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 14 days ago 482nd Shanethegamer 🇺🇸 836 95 116ms 14 Oct 2022 482nd emplv 🇱🇻 836 95 106ms 28 Oct 2022 482nd Yewzir 🇧🇪 836 95 122ms 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 135ms 23 Jun 2023 491st mousetail 🇳🇱 835 119 136ms 15 Jan 2024 494th rak1507 🇬🇧 834 36 35ms 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 albanian-laundromat 833 149 27ms 28 Dec 2025 499th Yewzir 🇧🇪 832 87 2ms 20 Nov 2025 500th primo-ppcg 🇹🇭 832 91 127ms 2 Apr 2022 500th Ripick 832 91 130ms 1 Feb 2023 502nd rucin93 🇵🇱 831 64 142ms 6 Sep 2024 503rd stackofbears 831 99 443ms 21 Mar 2022 504th albanian-laundromat 831 105 40ms 7 Sep 2025 505th Shanethegamer 🇺🇸 829 114 55ms 18 Dec 2022 505th Yewzir 🇧🇪 829 114 56ms 14 Jan 2024 507th edsrzf 🇳🇿 829 118 28ms 10 days ago 508th pardouin 🇫🇷 828 83 3ms 8 Oct 2024 508th LostSyntax21 🇬🇧 828 83 3ms 8 Jan 2025 510th Shanethegamer 🇺🇸 828 120 126ms 13 Jan 2022 510th MeWhenI 🇻🇦 828 120 130ms 9 May 2023 510th emgordon154 828 120 124ms 14 Mar 2025 513th ovs-code 🇩🇪 828 166 1,404ms 29 Mar 2025 513th emgordon154 828 166 1,398ms 21 May 2025 515th albanian-laundromat 827 73 1,053ms 23 Sep 2025 516th MeWhenI 🇻🇦 827 91 114ms 5 Sep 2023 517th prplz 🇦🇺 827 103 122ms 18 Dec 2021 517th dokutan 827 103 84ms 6 Nov 2025 519th CornerMercury 🇬🇧 826 30 5ms 21 Jan 2026 520th GrayJoKing 🇦🇺 824 50 95ms 19 Sep 2021 520th janlelis 824 50 93ms 20 Sep 2021 520th JayXon 🇺🇸 824 50 98ms 28 Sep 2021 520th sisyphus-ppcg 🇦🇺 824 50 92ms 6 May 2022 520th radarek 🇵🇱 824 50 78ms 25 May 2022 520th sean-niemann 🇺🇸 824 50 95ms 23 Dec 2024 520th pardouin 🇫🇷 824 50 77ms 9 Apr 2025 520th stefangimmillaro 824 50 91ms 27 May 2025 520th Steffan153 🇫🇮 824 50 89ms 8 days ago 529th albanian-laundromat 824 68 444ms 7 Oct 2025 530th RYNO8 824 72 20ms 28 Sep 2021 530th FlorianCassayre 🇫🇷 824 72 223ms 18 Sep 2023 530th tobeannouncd 824 72 20ms 25 Apr 2025 530th 4atj 824 72 145ms 4 Dec 2025 530th HPWiz 🇳🇿 824 72 146ms 5 Dec 2025 535th inventshah 823 60 1,340ms 29 Sep 2023 535th emgordon154 823 60 1,286ms 18 Nov 2024 537th IanUtley 823 92 3,106ms 24 Oct 2023 538th sean-niemann 🇺🇸 823 106 39ms 21 Apr 2023 538th DialFrost 🇸🇬 823 106 41ms 31 Dec 2025 540th neihousaigaai 822 72 12ms 2 Oct 2021 540th stefangimmillaro 822 72 15ms 29 Sep 2023 540th two-bad 🇬🇧 822 72 19ms 25 Feb 2024 540th Lv0Sys 🇵🇱 822 72 12ms 5 Dec 2025 544th Shanethegamer 🇺🇸 822 88 2ms 19 Nov 2025 544th DialFrost 🇸🇬 822 88 2ms 15 Dec 2025 546th inventshah 822 98 538ms 10 Sep 2022 546th MeWhenI 🇻🇦 822 98 12ms 16 Aug 2023 548th h3ra993huskp 🇯🇵 822 113 503ms 30 Nov 2025 549th sean-niemann 🇺🇸 821 28 67ms 22 Jul 2022 549th lynn 821 28 65ms 22 Jul 2022 549th MeWhenI 🇻🇦 821 28 71ms 23 Jul 2022 549th sisyphus-ppcg 🇦🇺 821 28 60ms 24 Jul 2022 549th jared-hughes 821 28 60ms 29 Jul 2022 549th AlephSquirrel 821 28 68ms 30 Dec 2022 549th Steffan153 🇫🇮 821 28 60ms 12 Jan 2023 549th DialFrost 🇸🇬 821 28 62ms 28 Jan 2023 549th CornerMercury 🇬🇧 821 28 62ms 24 Aug 2023 549th ovs-code 🇩🇪 821 28 69ms 2 Feb 2024 549th snoozingnewt 🇨🇦 821 28 62ms 1 Sep 2024 549th pardouin 🇫🇷 821 28 59ms 21 Sep 2024 First Prev 481–560 of 2,058 Next Last