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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 560th primo-ppcg 🇹🇭 824 143 25ms 25 Jun 2022 562nd h3ra993huskp 🇯🇵 823 113 521ms 30 Nov 2025 563rd andersk 🇺🇸 823 121 127ms 31 Oct 2022 564th neihousaigaai 822 72 12ms 2 Oct 2021 564th stefangimmillaro 822 72 15ms 29 Sep 2023 564th two-bad 🇬🇧 822 72 15ms 25 Feb 2024 567th sean-niemann 🇺🇸 821 28 62ms 22 Jul 2022 567th lynn 821 28 72ms 22 Jul 2022 567th MeWhenI 🇻🇦 821 28 74ms 23 Jul 2022 567th sisyphus-ppcg 🇦🇺 821 28 67ms 24 Jul 2022 567th jared-hughes 821 28 64ms 29 Jul 2022 567th AlephSquirrel 821 28 74ms 30 Dec 2022 567th Steffan153 🇫🇮 821 28 65ms 12 Jan 2023 567th DialFrost 🇸🇬 821 28 63ms 28 Jan 2023 567th CornerMercury 🇬🇧 821 28 67ms 24 Aug 2023 567th ovs-code 🇩🇪 821 28 73ms 2 Feb 2024 567th snoozingnewt 🇨🇦 821 28 65ms 1 Sep 2024 567th pardouin 🇫🇷 821 28 63ms 21 Sep 2024 567th LostSyntax21 🇬🇧 821 28 67ms 8 Jan 2025 567th edsrzf 🇳🇿 821 28 65ms 9 Mar 2025 567th CaedenHarper 🇨🇦 821 28 64ms 14 Jul 2025 567th fuzzylojik-golf 🇺🇸 821 28 65ms 9 Sep 2025 567th blaztoma 🇱🇹 821 28 71ms 26 Dec 2025 584th Shanethegamer 🇺🇸 821 168 1,306ms 27 Mar 2025 585th sean-niemann 🇺🇸 820 86 2,429ms 30 Oct 2024 586th sean-niemann 🇺🇸 820 92 153ms 8 Oct 2024 587th jared-hughes 818 83 126ms 11 Sep 2023 588th error256 817 93 29ms 13 Mar 2026 589th Yewzir 🇧🇪 817 107 39ms 14 Jan 2024 590th m-tkach 🇺🇦 817 120 27ms 18 Dec 2023 591st Mabeloid 🇳🇴 817 122 133ms 31 Oct 2025 591st CaedenHarper 🇨🇦 817 122 132ms 1 Dec 2025 591st elgan65536 🇺🇸 817 122 131ms 7 Feb 2026 594th Shanethegamer 🇺🇸 816 101 436ms 13 Apr 2023 594th emgordon154 816 101 467ms 26 May 2025 596th snyderek 🇺🇸 816 116 59ms 6 Oct 2024 597th bizy-coder 813 73 171ms 3 Oct 2024 597th Rubiksmath 813 73 182ms 19 Oct 2024 597th Seek64 🇩🇪 813 73 170ms 4 Dec 2025 600th edsrzf 🇳🇿 813 88 11ms 7 Jun 2025 601st snoozingnewt 🇨🇦 813 105 87ms 30 Sep 2025 602nd janbehrens 🇩🇪 811 73 13ms 20 Sep 2021 602nd didion0 🇺🇸 811 73 42ms 23 Nov 2021 602nd KatieLG 🇬🇧 811 73 16ms 5 Apr 2022 602nd emgordon154 811 73 11ms 7 Nov 2024 606th Shanethegamer 🇺🇸 811 93 151ms 20 Sep 2021 606th Yewzir 🇧🇪 811 93 138ms 27 Mar 2024 608th AlephSquirrel 810 104 4ms 6 Aug 2024 609th AdrienHache 🇫🇷 809 94 470ms 2 Jun 2023 609th GrayJoKing 🇦🇺 809 94 166ms 23 Oct 2023 609th billings7 🇬🇧 809 94 455ms 21 May 2024 612th GolfingSuccess 🇬🇷 809 117 64ms 19 Mar 2025 613th MeWhenI 🇻🇦 808 71 63ms 5 Apr 2025 614th MeWhenI 🇻🇦 808 94 55ms 9 May 2024 615th Shanethegamer 🇺🇸 808 100 11ms 10 Sep 2022 615th albanian-laundromat 🇺🇸 808 100 11ms 24 Dec 2025 617th kimbo 🇺🇸 808 146 324ms 12 Jan 2023 618th frankgraziano 806 232 37ms 31 Oct 2025 619th MeWhenI 🇻🇦 805 90 2ms 10 Oct 2023 620th AlephSquirrel 803 89 13ms 20 Apr 2023 621st tailorspy 803 118 65ms 22 Sep 2024 621st dokutan 803 118 69ms 6 Nov 2025 623rd jared-hughes 803 124 137ms 10 Nov 2022 623rd Re-Adventures 🇮🇳 803 124 135ms 22 Jun 2023 625th xnor-gate 802 74 170ms 23 Oct 2023 625th csharpython 802 74 21ms 17 Jul 2025 627th Steffan153 🇫🇮 801 95 21ms 21 Feb 2023 627th Waffle3z 801 95 2ms 26 Dec 2025 629th Shanethegamer 🇺🇸 800 31 6ms 13 Jan 2022 630th snoozingnewt 🇨🇦 800 66 14ms 1 Sep 2024 630th LostSyntax21 🇬🇧 800 66 3ms 8 Jan 2025 632nd c0d3-4-F00d 🇩🇪 800 74 12ms 5 Jan 2022 632nd Maznek 800 74 13ms 19 Jun 2023 632nd thisishowmymindworks 🇳🇴 800 74 156ms 9 Jun 2024 632nd snoozingnewt 🇨🇦 800 74 12ms 1 Sep 2024 632nd blaztoma 🇱🇹 800 74 12ms 23 Nov 2025 637th inventshah 800 158 445ms 8 Sep 2022 638th clockworknazo 799 83 13ms 13 Oct 2022 638th ovs-code 🇩🇪 799 83 13ms 7 Feb 2023 640th brimstonetrader 799 85 122ms 26 Jan 2024 First Prev 561–640 of 2,187 Next Last