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 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 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 401st m-tkach 🇺🇦 860 80 2ms 15 May 2022 401st inventshah 860 80 3ms 14 Feb 2023 401st Alex-x90 🇺🇸 860 80 3ms 21 Feb 2023 401st JohandeRuiter 🇳🇱 860 80 3ms 8 Sep 2024 405th edsrzf 🇳🇿 860 132 41ms 16 days ago 405th kg583 🇺🇸 860 132 6ms 16 days ago 407th DialFrost 🇸🇬 859 87 32ms 12 Dec 2024 408th ovs-code 🇩🇪 859 96 460ms 29 Jul 2024 409th Shanethegamer 🇺🇸 859 98 4ms 20 Dec 2024 410th kg583 🇺🇸 859 114 23ms 9 May 2025 410th CLOStrophobic 🇮🇹 859 114 597ms 24 Dec 2025 412th JayXon 🇺🇸 859 175 1,772ms 15 Sep 2025 413th lynn 858 35 315ms 19 Sep 2021 413th jared-hughes 858 35 36ms 30 Sep 2021 413th primo-ppcg 🇹🇭 858 35 41ms 24 Mar 2025 413th Natanaelel 🇸🇪 858 35 247ms 31 May 2025 413th fuzzylojik-golf 🇺🇸 858 35 34ms 9 Sep 2025 413th SirBogman 🇺🇸 858 35 39ms 23 Sep 2025 419th NewDefectus 🇮🇱 858 69 13ms 16 Dec 2021 419th Shanethegamer 🇺🇸 858 69 12ms 25 Apr 2023 419th KrausRaus 🇺🇸 858 69 11ms 6 Jan 2026 422nd lifthrasiir 🇰🇷 855 29 5ms 29 Nov 2024 423rd GrayJoKing 🇦🇺 855 86 10ms 24 Feb 2026 424th DialFrost 🇸🇬 855 89 506ms 16 Nov 2025 425th DialFrost 🇸🇬 854 176 1,660ms 18 Jan 2026 426th saito-ta 🇯🇵 852 27 502ms 12 Aug 2022 426th GolfingSuccess 🇬🇷 852 27 490ms 16 Aug 2022 426th clockworknazo 852 27 503ms 6 Sep 2022 426th orthoplex 🇨🇽 852 27 685ms 1 Feb 2024 430th DialFrost 🇸🇬 852 58 1,363ms 13 Apr 2025 431st ovs-code 🇩🇪 852 89 14ms 30 Jun 2024 432nd c0d3-4-F00d 🇩🇪 852 115 53ms 5 Jan 2022 432nd MeWhenI 🇻🇦 852 115 49ms 21 Jun 2022 432nd DialFrost 🇸🇬 852 115 49ms 28 Jan 2023 432nd lynn 852 115 28ms 21 Aug 2023 432nd snoozingnewt 🇨🇦 852 115 47ms 16 Oct 2025 432nd blaztoma 🇱🇹 852 115 53ms 23 Nov 2025 438th The3gs 852 117 135ms 29 Nov 2024 439th MeWhenI 🇻🇦 851 72 88ms 13 Dec 2022 440th inventshah 851 83 2,466ms 24 Oct 2024 440th aditsu 851 83 2,540ms 10 Aug 2025 442nd Lydxn 🇨🇦 851 90 40ms 20 Sep 2021 442nd Steffan153 🇫🇮 851 90 40ms 12 Jan 2023 442nd stefangimmillaro 851 90 40ms 26 Jan 2023 442nd MeWhenI 🇻🇦 851 90 41ms 14 May 2023 442nd DialFrost 🇸🇬 851 90 41ms 22 Oct 2024 447th Shanethegamer 🇺🇸 850 66 715ms 16 Jan 2024 447th snoozingnewt 🇨🇦 850 66 664ms 28 Sep 2025 447th Babafaba 850 66 677ms 3 Nov 2025 450th MeWhenI 🇻🇦 850 77 58ms 19 Sep 2021 450th snoozingnewt 🇨🇦 850 77 61ms 16 Oct 2025 452nd duckyluuk 🇳🇱 850 88 36ms 12 Dec 2024 452nd GolfingSuccess 🇬🇷 850 88 22ms 11 Sep 2025 454th snoozingnewt 🇨🇦 850 99 4ms 1 Sep 2024 455th MeWhenI 🇻🇦 849 50 20ms 15 Feb 2025 456th marcin7Cd 849 80 146ms 29 Sep 2021 456th cbrt-x 849 80 154ms 15 Sep 2023 458th Steffan153 🇫🇮 849 81 3ms 12 Jan 2023 459th edsrzf 🇳🇿 849 139 335ms 23 Oct 2024 460th MeWhenI 🇻🇦 848 70 38ms 22 Oct 2021 460th 2011-Chan-Ethan 848 70 333ms 12 Jul 2023 460th jatloe 848 70 310ms 27 Sep 2024 463rd Lydxn 🇨🇦 848 89 152ms 4 Sep 2023 464th Steffan153 🇫🇮 847 134 50ms 26 days ago 465th ovs-code 🇩🇪 847 190 17ms 9 Jul 2024 466th Shanethegamer 🇺🇸 846 110 440ms 25 Sep 2025 466th Yewzir 🇧🇪 846 110 390ms 2 Oct 2025 466th CaedenHarper 🇨🇦 846 110 489ms 5 Nov 2025 466th MeWhenI 🇻🇦 846 110 461ms 7 Nov 2025 470th MeWhenI 🇻🇦 846 163 1,449ms 28 Mar 2025 471st emplv 🇱🇻 845 63 145ms 17 Jul 2025 472nd Irratix 🇳🇱 845 112 59ms 3 Jan 2022 473rd Yewzir 🇧🇪 845 118 130ms 5 Feb 2024 474th emgordon154 845 178 1,761ms 10 Jan 2026 475th rucin93 🇵🇱 843 86 2ms 19 Nov 2025 476th janbehrens 🇩🇪 843 140 351ms 20 Sep 2021 476th JOrE20 843 140 25ms 19 Feb 2026 478th DialFrost 🇸🇬 842 98 490ms 16 Nov 2025 479th pardouin 🇫🇷 841 49 74ms 16 Mar 2026 479th Steffan153 🇫🇮 841 49 101ms 19 days ago First Prev 401–480 of 2,188 Next Last