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 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 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 ArkScript 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 ArkScript 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 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 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 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 877th aposteriorist 🇨🇦 693 68 9ms 6 Feb 2022 877th PowerR0 693 68 9ms 25 Aug 2022 877th SB-945 693 68 16ms 31 Mar 2024 877th Troon 693 68 9ms 11 Feb 2025 885th sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 885th pandapawskat 692 43 1ms 20 Sep 2021 885th stefangimmillaro 692 43 2ms 23 Apr 2022 888th o0lit3 🇺🇸 692 50 10ms 19 Apr 2021 888th armin-k1 692 50 8ms 8 Sep 2021 890th Alex-x90 🇺🇸 692 76 2ms 3 Dec 2022 891st snoozingnewt 🇨🇦 692 95 356ms 29 Nov 2025 892nd anter69 🇭🇺 691 55 1,011ms 10 Mar 2025 893rd GrayJoKing 🇦🇺 691 61 117ms 13 Mar 2022 894th btnlq 691 63 3ms 15 Jul 2023 894th SirBogman 🇺🇸 691 63 363ms 15 Jan 2024 894th GolfingSuccess 🇬🇷 691 63 400ms 30 Jan 2024 897th JDiLenarda 🇫🇷 690 61 1,227ms 9 Oct 2020 898th inventshah 690 70 2ms 9 Sep 2022 899th jared-hughes 690 100 53ms 20 Jul 2022 900th labster 689 45 97ms 23 Feb 2018 900th snoozingnewt 🇨🇦 689 45 102ms 30 Nov 2025 902nd gnuvince 688 32 10ms 2 Aug 2024 902nd codereport 🇨🇦 688 32 3ms 21 Apr 2025 904th MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 905th marshallward 🇺🇸 688 81 39ms 2 Sep 2022 906th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 907th PatrickStephansen 🇿🇦 686 72 14ms 3 Nov 2020 907th KatieLG 🇬🇧 686 72 12ms 16 Apr 2021 907th neihousaigaai 686 72 9ms 18 Apr 2021 907th two-bad 🇬🇧 686 72 10ms 25 Feb 2024 911th rustyflamingo 685 49 500ms 22 Sep 2022 911th antimon2 🇯🇵 685 49 600ms 15 Oct 2022 911th alemelis 685 49 532ms 1 Mar 2023 911th HPWiz 🇳🇿 685 49 508ms 9 Mar 2023 911th ovs-code 🇩🇪 685 49 554ms 24 Oct 2023 911th MarcMush 🇫🇷 685 49 551ms 5 Jan 2024 911th DialFrost 🇸🇬 685 49 488ms 5 Jan 2024 911th twolfive 685 49 556ms 5 Oct 2024 919th DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 920th galloj 🇨🇿 684 107 1ms 28 Aug 2022 921st j-Ewan 683 40 33ms 22 Feb 2022 922nd Espiobest 683 69 16ms 26 Feb 2021 922nd cbondurant 683 69 9ms 10 May 2021 922nd hellwue 683 69 9ms 8 Feb 2023 922nd Vaekor 683 69 9ms 9 Jul 2023 922nd jatloe 683 69 75ms 27 Sep 2024 927th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 928th MeWhenI 🇻🇦 683 101 55ms 8 May 2022 928th janbehrens 🇩🇪 683 101 52ms 26 Nov 2023 930th retrohun 682 191 10ms 27 Dec 2022 931st sisyphus-ppcg 🇦🇺 681 67 5ms 2 Jul 2023 931st targrik 681 67 4ms 17 Jul 2025 933rd m-tkach 🇺🇦 680 64 395ms 30 Jan 2024 934th MeWhenI 🇻🇦 679 62 118ms 11 Nov 2021 935th Irratix 🇳🇱 678 56 1,042ms 25 Mar 2021 935th emgordon154 678 56 911ms 18 Nov 2024 937th emplv 🇱🇻 678 63 131ms 17 Jul 2025 938th didion0 🇺🇸 677 73 13ms 22 Apr 2021 938th itsh01 677 73 15ms 16 Aug 2021 938th c0d3-4-F00d 🇩🇪 677 73 12ms 5 Jan 2022 938th DaCuteRaccoon 677 73 13ms 30 Nov 2022 938th inventshah 677 73 10ms 28 Jan 2023 938th Yax42 🇫🇷 677 73 10ms 12 Nov 2025 944th primo-ppcg 🇹🇭 677 105 1ms 3 Oct 2020 945th primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 945th GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 945th emgordon154 676 57 4ms 10 Jan 2025 945th sean-niemann 🇺🇸 676 57 3ms 21 Apr 2025 945th kg583 🇺🇸 676 57 3ms 26 Sep 2025 945th edsrzf 🇳🇿 676 57 4ms 26 Sep 2025 951st Attero 🇸🇪 675 46 134ms 4 May 2020 952nd annaproxy 675 80 317ms 5 May 2022 952nd Yewzir 🇧🇪 675 80 306ms 8 May 2023 952nd DialFrost 🇸🇬 675 80 348ms 26 Dec 2024 955th marcin7Cd 674 78 2ms 17 May 2020 955th lynn 674 78 2ms 2 Oct 2021 955th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 955th AZTECCO 674 78 2ms 16 Sep 2025 959th gilufin 673 70 74ms 23 May 2021 959th kellantech 673 70 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