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 879th ydevor 🇮🇱 693 68 9ms 26 Nov 2020 879th jacklynnepenick 693 68 42ms 17 Aug 2021 879th aposteriorist 🇨🇦 693 68 9ms 6 Feb 2022 879th PowerR0 693 68 9ms 25 Aug 2022 879th SB-945 693 68 16ms 31 Mar 2024 879th Troon 693 68 9ms 11 Feb 2025 887th sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 887th pandapawskat 692 43 1ms 20 Sep 2021 887th stefangimmillaro 692 43 2ms 23 Apr 2022 890th o0lit3 🇺🇸 692 50 10ms 19 Apr 2021 890th armin-k1 692 50 8ms 8 Sep 2021 892nd Alex-x90 🇺🇸 692 76 2ms 3 Dec 2022 893rd snoozingnewt 🇨🇦 692 95 356ms 29 Nov 2025 894th anter69 🇭🇺 691 55 1,360ms 10 Mar 2025 895th GrayJoKing 🇦🇺 691 61 117ms 13 Mar 2022 896th btnlq 691 63 3ms 15 Jul 2023 896th SirBogman 🇺🇸 691 63 363ms 15 Jan 2024 896th GolfingSuccess 🇬🇷 691 63 400ms 30 Jan 2024 899th JDiLenarda 🇫🇷 690 61 1,367ms 9 Oct 2020 900th inventshah 690 70 2ms 9 Sep 2022 901st jared-hughes 690 100 53ms 20 Jul 2022 902nd labster 689 45 91ms 23 Feb 2018 902nd snoozingnewt 🇨🇦 689 45 102ms 30 Nov 2025 904th gnuvince 688 32 10ms 2 Aug 2024 904th codereport 🇨🇦 688 32 3ms 21 Apr 2025 906th MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 907th marshallward 🇺🇸 688 81 39ms 2 Sep 2022 908th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 909th PatrickStephansen 🇿🇦 686 72 14ms 3 Nov 2020 909th KatieLG 🇬🇧 686 72 10ms 16 Apr 2021 909th neihousaigaai 686 72 9ms 18 Apr 2021 909th two-bad 🇬🇧 686 72 10ms 25 Feb 2024 913th rustyflamingo 685 49 521ms 22 Sep 2022 913th antimon2 🇯🇵 685 49 529ms 15 Oct 2022 913th alemelis 685 49 502ms 1 Mar 2023 913th HPWiz 🇳🇿 685 49 530ms 9 Mar 2023 913th ovs-code 🇩🇪 685 49 484ms 24 Oct 2023 913th MarcMush 🇫🇷 685 49 492ms 5 Jan 2024 913th DialFrost 🇸🇬 685 49 546ms 5 Jan 2024 913th twolfive 685 49 484ms 5 Oct 2024 921st DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 922nd galloj 🇨🇿 684 107 1ms 28 Aug 2022 923rd j-Ewan 683 40 33ms 22 Feb 2022 924th Espiobest 683 69 16ms 26 Feb 2021 924th cbondurant 683 69 9ms 10 May 2021 924th hellwue 683 69 9ms 8 Feb 2023 924th Vaekor 683 69 9ms 9 Jul 2023 924th jatloe 683 69 75ms 27 Sep 2024 929th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 930th MeWhenI 🇻🇦 683 101 55ms 8 May 2022 930th janbehrens 🇩🇪 683 101 52ms 26 Nov 2023 932nd retrohun 682 191 10ms 27 Dec 2022 933rd sisyphus-ppcg 🇦🇺 681 67 5ms 2 Jul 2023 933rd targrik 681 67 4ms 17 Jul 2025 935th m-tkach 🇺🇦 680 64 366ms 30 Jan 2024 936th MeWhenI 🇻🇦 679 62 118ms 11 Nov 2021 937th Irratix 🇳🇱 678 56 1,323ms 25 Mar 2021 937th emgordon154 678 56 1,308ms 18 Nov 2024 939th emplv 🇱🇻 678 63 131ms 17 Jul 2025 940th didion0 🇺🇸 677 73 13ms 22 Apr 2021 940th itsh01 677 73 12ms 16 Aug 2021 940th c0d3-4-F00d 🇩🇪 677 73 12ms 5 Jan 2022 940th DaCuteRaccoon 677 73 10ms 30 Nov 2022 940th inventshah 677 73 9ms 28 Jan 2023 940th Yax42 🇫🇷 677 73 10ms 12 Nov 2025 946th primo-ppcg 🇹🇭 677 105 2ms 3 Oct 2020 947th primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 947th GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 947th emgordon154 676 57 4ms 10 Jan 2025 947th sean-niemann 🇺🇸 676 57 3ms 21 Apr 2025 947th kg583 🇺🇸 676 57 3ms 26 Sep 2025 947th edsrzf 🇳🇿 676 57 4ms 26 Sep 2025 953rd Attero 🇸🇪 675 46 134ms 4 May 2020 954th annaproxy 675 80 405ms 5 May 2022 954th Yewzir 🇧🇪 675 80 394ms 8 May 2023 954th DialFrost 🇸🇬 675 80 431ms 26 Dec 2024 957th marcin7Cd 674 78 2ms 17 May 2020 957th lynn 674 78 2ms 2 Oct 2021 957th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 957th AZTECCO 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