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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 Multitap Input 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 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 Multitap Input 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 640th codereport 🇨🇦 778 33 6ms 21 Apr 2025 642nd nwellnhof 🇩🇪 777 53 82ms 26 Dec 2021 643rd aposteriorist 🇨🇦 776 106 460ms 5 Mar 2022 644th Yax42 🇫🇷 774 98 379ms 12 days ago 645th Re-Adventures 🇮🇳 774 122 74ms 14 Aug 2022 646th prplz 🇦🇺 772 64 1,042ms 20 Sep 2021 647th ListeriaM 772 89 2ms 25 Aug 2023 648th ovs-code 🇩🇪 771 69 134ms 3 Aug 2024 649th SirBogman 🇺🇸 770 39 363ms 20 Sep 2021 649th yzhs 🇩🇪 770 39 36ms 21 Jun 2022 651st nwellnhof 🇩🇪 770 77 20ms 8 Aug 2022 651st bricknellj 770 77 192ms 20 Dec 2022 651st bob-th 770 77 156ms 24 Jan 2023 651st AlephSquirrel 770 77 268ms 27 Jan 2023 651st steffan-polygolf 770 77 12ms 8 Mar 2024 651st Bulmenisaurus 770 77 275ms 8 Oct 2024 651st ryyyn 🇺🇸 770 77 130ms 18 days ago 658th DialFrost 🇸🇬 770 129 139ms 5 Apr 2025 659th jared-hughes 769 77 10ms 14 Mar 2022 659th Re-Adventures 🇮🇳 769 77 10ms 14 Aug 2022 659th lyphyser 769 77 9ms 3 Jun 2023 659th helbling 🇨🇭 769 77 10ms 4 Jul 2024 663rd Shanethegamer 🇺🇸 768 93 13ms 8 Apr 2024 664th KatieLG 🇬🇧 768 111 135ms 14 Jan 2023 665th ovs-code 🇩🇪 768 127 28ms 26 Dec 2022 666th ovs-code 🇩🇪 767 73 852ms 15 Jan 2024 666th sisyphus-ppcg 🇦🇺 767 73 1,444ms 16 Jan 2024 666th bizy-coder 767 73 841ms 3 Oct 2024 669th emgordon154 766 146 18ms 10 Jun 2025 670th snoozingnewt 🇨🇦 764 92 3,539ms 27 Sep 2025 671st MeWhenI 🇻🇦 764 244 16ms 28 Aug 2023 672nd MeWhenI 🇻🇦 763 54 40ms 16 Aug 2022 672nd xsot 🇸🇬 763 54 46ms 25 Jul 2023 672nd Steffan153 🇫🇮 763 54 65ms 29 Aug 2024 675th edsrzf 🇳🇿 763 99 20ms 5 Jan 2025 676th janbehrens 🇩🇪 763 165 25ms 20 Sep 2021 677th strout 762 89 172ms 15 Aug 2022 678th Babafaba 761 122 395ms 14 Oct 2025 679th UnderKoen 🇳🇱 761 147 34ms 20 Apr 2023 680th commandblockguy 🇺🇸 760 78 22ms 22 Aug 2023 680th ahmetdemirag 🇨🇾 760 78 159ms 11 Feb 2025 682nd shawphy 759 78 10ms 12 Oct 2021 683rd kTheLemon 759 100 3ms 2 Apr 2025 684th DialFrost 🇸🇬 759 127 94ms 24 days ago 684th emgordon154 759 127 99ms 19 days ago 686th DialFrost 🇸🇬 758 112 41ms 13 Feb 2025 687th Yewzir 🇧🇪 758 166 25ms 14 Jan 2024 688th Shanethegamer 🇺🇸 757 100 118ms 19 Sep 2021 688th MichalMarsalek 🇨🇿 757 100 125ms 3 Mar 2022 690th Shanethegamer 🇺🇸 756 93 4,377ms 27 Oct 2024 691st prplz 🇦🇺 755 91 2ms 19 Dec 2021 691st Irratix 🇳🇱 755 91 2ms 13 Jun 2022 693rd jared-hughes 755 123 428ms 24 Sep 2025 694th Irratix 🇳🇱 753 90 141ms 24 Sep 2021 695th Yewzir 🇧🇪 753 99 39ms 18 Dec 2024 696th jared-hughes 752 101 2ms 17 Mar 2022 697th OllieBoyne 🇬🇧 751 79 185ms 25 May 2022 697th 5cw 🇺🇸 751 79 312ms 8 May 2024 697th bzijlema 🇳🇱 751 79 321ms 11 Oct 2024 697th jipsong 🇩🇪 751 79 293ms 20 Jun 2025 697th InigoK 🇺🇸 751 79 182ms 5 Sep 2025 697th fuzzylojik-golf 🇺🇸 751 79 178ms 15 Sep 2025 703rd MeWhenI 🇻🇦 751 95 14ms 23 May 2023 704th prplz 🇦🇺 750 66 1,368ms 27 Sep 2021 704th DialFrost 🇸🇬 750 66 665ms 10 Oct 2024 706th prplz 🇦🇺 749 55 38ms 18 Dec 2021 706th lynn 749 55 84ms 25 May 2022 706th anter69 🇭🇺 749 55 34ms 25 Jan 2023 706th ovs-code 🇩🇪 749 55 66ms 9 May 2023 706th Natanaelel 🇸🇪 749 55 38ms 10 May 2023 711th alasdair-greenland 749 79 22ms 10 Nov 2021 711th igmcdowell 749 79 10ms 11 Dec 2021 711th dylanarmstrong 749 79 12ms 24 Jan 2024 714th trist224 🇫🇷 749 126 491ms 15 Nov 2022 715th Shanethegamer 🇺🇸 749 168 24ms 20 Sep 2021 716th yzhs 🇩🇪 748 66 989ms 5 Nov 2021 717th Yewzir 🇧🇪 748 110 472ms 13 Jan 2024 718th m-tkach 🇺🇦 747 75 437ms 20 Jan 2024 719th 386asm 🇺🇸 746 117 40ms 10 Apr 2023 720th KrausRaus 🇺🇸 745 97 2ms 24 Oct 2023 First Prev 641–720 of 2,022 Next Last