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Happy Numbers 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 Nim 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 Nim 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 593rd emirps 799 59 9ms 22 Feb 2023 593rd AlexanderFair 799 59 12ms 2 Jul 2023 593rd AVDestroyer 799 59 11ms 4 Sep 2023 593rd eiburns 799 59 10ms 13 Sep 2023 593rd m42km 799 59 11ms 7 Oct 2023 593rd elgan65536 🇺🇸 799 59 10ms 4 Apr 2024 593rd KasperKivimaeki 🇫🇮 799 59 9ms 5 Jul 2025 593rd dirckvdende 799 59 10ms 6 Jul 2025 593rd JOrE20 799 59 10ms 25 Feb 2026 610th emplv 🇱🇻 797 62 11ms 15 Dec 2021 610th rucin93 🇵🇱 797 62 12ms 19 Apr 2024 610th vlpx 🇫🇮 797 62 12ms 18 Jun 2024 613th primo-ppcg 🇹🇭 797 70 38ms 4 Jan 2024 613th stefangimmillaro 797 70 38ms 14 Jan 2024 615th SirFireball3521 796 39 164ms 22 Mar 2023 616th MeWhenI 🇻🇦 796 44 3ms 12 Aug 2024 616th sisyphus-ppcg 🇦🇺 796 44 3ms 12 Aug 2024 616th DialFrost 🇸🇬 796 44 4ms 15 Aug 2024 616th ovs-code 🇩🇪 796 44 3ms 15 Aug 2024 616th Shanethegamer 🇺🇸 796 44 3ms 15 Aug 2024 616th GrayJoKing 🇦🇺 796 44 3ms 17 Aug 2024 616th emgordon154 796 44 3ms 19 Aug 2024 616th pardouin 🇫🇷 796 44 3ms 6 Sep 2024 616th sean-niemann 🇺🇸 796 44 3ms 13 Jan 2025 616th snoozingnewt 🇨🇦 796 44 3ms 30 Nov 2025 626th Yewzir 🇧🇪 794 54 5ms 14 Dec 2023 626th dokutan 794 54 6ms 19 May 2024 626th emgordon154 794 54 5ms 5 Dec 2024 626th edsrzf 🇳🇿 794 54 5ms 21 Jan 2025 626th kg583 🇺🇸 794 54 5ms 30 Jul 2025 626th snoozingnewt 🇨🇦 794 54 5ms 30 Nov 2025 626th DialFrost 🇸🇬 794 54 6ms 1 Jan 2026 633rd neel11235813 792 55 432ms 10 Mar 2024 633rd albanian-laundromat 🇺🇸 792 55 426ms 7 Oct 2025 633rd dokutan 792 55 360ms 21 Feb 2026 636th Shanethegamer 🇺🇸 791 114 3ms 7 Feb 2026 636th SuperFola 791 114 2ms 19 Feb 2026 636th CaedenHarper 🇨🇦 791 114 2ms 20 Mar 2026 636th dokutan 791 114 2ms 20 Mar 2026 640th flawr 790 73 136ms 24 Feb 2019 640th GrayJoKing 🇦🇺 790 73 136ms 5 Dec 2020 640th Shanethegamer 🇺🇸 790 73 140ms 15 Jul 2021 640th yzhs 🇩🇪 790 73 140ms 24 Jul 2021 640th MeWhenI 🇻🇦 790 73 139ms 15 Sep 2021 640th sisyphus-ppcg 🇦🇺 790 73 140ms 16 Mar 2022 640th DaCuteRaccoon 790 73 136ms 30 Nov 2022 640th DialFrost 🇸🇬 790 73 142ms 28 Jan 2023 640th pardouin 🇫🇷 790 73 147ms 21 Sep 2024 640th LostSyntax21 🇬🇧 790 73 152ms 8 Jan 2025 640th snoozingnewt 🇨🇦 790 73 148ms 5 Dec 2025 651st GrayJoKing 🇦🇺 789 67 6ms 31 Jan 2025 652nd Yewzir 🇧🇪 788 69 117ms 6 Dec 2023 653rd clockworknazo 788 82 5ms 13 Oct 2022 653rd ovs-code 🇩🇪 788 82 5ms 7 Feb 2023 655th MeWhenI 🇻🇦 788 93 2ms 18 May 2022 656th sisyphus-ppcg 🇦🇺 787 108 332ms 16 Mar 2022 657th lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 658th stevelamm 785 60 10ms 5 Oct 2018 658th tjtnorton 785 60 10ms 29 Nov 2018 658th giacomogallina 785 60 11ms 14 Jun 2019 658th cellobix 785 60 10ms 14 Aug 2019 658th mizuzimu 785 60 11ms 4 Feb 2020 658th ArmaanAS 785 60 10ms 8 Mar 2021 658th RDShah 785 60 10ms 26 Nov 2021 658th QuincyNash 🇺🇸 785 60 10ms 30 Nov 2022 658th msbranicky 785 60 13ms 25 Jul 2023 658th Hebelub 785 60 10ms 5 Jan 2024 658th wh3n3v3r 🇨🇿 785 60 9ms 16 Nov 2024 658th JunkIce 785 60 11ms 23 Feb 2025 658th ffelixm 785 60 10ms 12 Jun 2025 658th RaBa21 🇭🇺 785 60 9ms 10 Jul 2025 658th dcc5480 785 60 10ms 10 days ago 673rd inventshah 785 88 55ms 27 Jan 2023 674th dmrichwa 🇺🇸 784 63 10ms 28 Jan 2023 674th targrik 784 63 11ms 19 Feb 2025 676th HumanoidCPU 784 115 2ms 1 Jan 2026 676th KatieLG 🇬🇧 784 115 2ms 21 Feb 2026 678th hemphen 783 69 455ms 28 Aug 2022 679th primo-ppcg 🇹🇭 782 87 25ms 13 Jul 2021 680th jslip 781 35 33ms 5 Sep 2018 680th rak1507 🇬🇧 781 35 34ms 20 Sep 2021 682nd primo-ppcg 🇹🇭 780 54 1,396ms 11 May 2020 683rd bforte 780 74 131ms 9 Dec 2018 683rd annaproxy 780 74 130ms 12 Jan 2022 683rd rak1507 🇬🇧 780 74 140ms 23 Feb 2022 683rd Natanaelel 🇸🇪 780 74 143ms 31 May 2025 687th GrayJoKing 🇦🇺 778 56 451ms 23 Jul 2024 687th snoozingnewt 🇨🇦 778 56 451ms 28 Nov 2025 687th BREMAUCY 🇫🇷 778 56 452ms 6 Dec 2025 690th bluebear94 776 40 186ms 12 Feb 2018 690th sisyphus-ppcg 🇦🇺 776 40 151ms 31 Jan 2023 692nd msrawson 773 61 10ms 31 Aug 2018 693rd m-tkach 🇺🇦 773 110 341ms 5 Dec 2023 694th prplz 🇦🇺 769 75 145ms 12 Oct 2021 694th YAJUE114514 769 75 139ms 30 Jul 2025 696th snoozingnewt 🇨🇦 769 84 3ms 9 Dec 2025 697th Yewzir 🇧🇪 767 90 58ms 30 Dec 2023 698th ffelixm 766 71 117ms 12 Jun 2025 699th bendiscz 766 111 312ms 20 Apr 2020 700th dokutan 765 86 430ms 13 Mar 2026 First Prev 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