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 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 NFA Simulator 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 NFA Simulator 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 751st NewDefectus 🇮🇱 727 68 9ms 16 Dec 2021 752nd dokutan 727 90 2ms 12 Feb 2025 753rd Irratix 🇳🇱 726 41 2ms 1 Nov 2020 753rd primo-ppcg 🇹🇭 726 41 2ms 2 Nov 2020 753rd GrayJoKing 🇦🇺 726 41 2ms 27 Nov 2020 753rd KatieLG 🇬🇧 726 41 2ms 9 Dec 2020 753rd msbranicky 726 41 2ms 27 Jul 2023 753rd dokutan 726 41 3ms 11 Nov 2023 753rd AlephSquirrel 726 41 2ms 27 Jan 2025 760th msbranicky 725 60 388ms 17 Jan 2024 760th JunkIce 725 60 454ms 23 Feb 2025 762nd ZakkkkAttackkkk 🇵🇭 725 65 32ms 21 Dec 2021 762nd bob-th 725 65 46ms 5 Aug 2022 762nd btjones0 725 65 53ms 22 Nov 2022 762nd falsidge 725 65 10ms 21 Jun 2023 762nd bizy-coder 725 65 9ms 13 Aug 2024 767th ovs-code 🇩🇪 725 95 28ms 10 Jan 2023 768th dokutan 724 75 102ms 23 Jul 2025 769th lynn 723 87 120ms 7 Jul 2024 769th emgordon154 723 87 120ms 18 Feb 2025 769th edsrzf 🇳🇿 723 87 123ms 4 Mar 2025 769th DialFrost 🇸🇬 723 87 117ms 4 Apr 2025 769th acotis 723 87 124ms 15 Apr 2025 769th ovs-code 🇩🇪 723 87 122ms 20 Apr 2025 769th sean-niemann 🇺🇸 723 87 121ms 6 Jun 2025 769th kumavale 723 87 120ms 17 Aug 2025 777th dokutan 723 91 353ms 24 Sep 2025 778th phdphil 722 43 137ms 9 Apr 2018 779th edsrzf 🇳🇿 722 54 596ms 8 Sep 2025 780th RussellEmerine 721 80 155ms 30 Nov 2019 780th iczelia 🇩🇪 721 80 173ms 20 Oct 2025 782nd duckyluuk 🇳🇱 720 73 4ms 16 Dec 2024 783rd yzhs 🇩🇪 719 38 35ms 21 Jun 2022 784th retrohun 719 69 7ms 3 Nov 2024 785th Bubbler-4 717 49 69ms 13 Sep 2023 785th ovs-code 🇩🇪 717 49 79ms 13 Sep 2023 787th GrayJoKing 🇦🇺 717 53 1,018ms 13 Sep 2021 787th primo-ppcg 🇹🇭 717 53 1,005ms 22 Sep 2021 789th jakzo 716 69 12ms 5 Sep 2021 789th Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 791st GrayJoKing 🇦🇺 716 72 45ms 14 Jun 2022 791st primo-ppcg 🇹🇭 716 72 39ms 21 Jun 2022 793rd MeWhenI 🇻🇦 716 89 43ms 28 Aug 2024 794th ovs-code 🇩🇪 716 98 7ms 17 Mar 2023 795th Natanaelel 🇸🇪 715 32 43ms 22 Jul 2022 795th SirBogman 🇺🇸 715 32 44ms 10 Sep 2022 797th duckyluuk 🇳🇱 715 60 2,797ms 26 Oct 2024 798th DialFrost 🇸🇬 715 76 111ms 26 Dec 2024 798th snoozingnewt 🇺🇸 715 76 92ms 4 days ago 800th Yax42 🇫🇷 715 92 339ms 21 days ago 801st Attero 🇸🇪 714 66 53ms 25 Sep 2020 801st nstearns96 🇬🇧 714 66 20ms 15 Dec 2022 803rd jared-hughes 714 88 121ms 10 Nov 2022 803rd kgodara 714 88 125ms 11 Mar 2023 803rd snoozingnewt 🇺🇸 714 88 117ms 4 days ago 806th namelessiw 713 61 348ms 5 Mar 2024 806th lifthrasiir 🇰🇷 713 61 382ms 2 Dec 2024 806th DialFrost 🇸🇬 713 61 346ms 26 Dec 2024 809th Laar 712 81 177ms 1 Apr 2019 809th alomiF 712 81 171ms 5 Oct 2023 809th brimstonetrader 712 81 134ms 26 Jan 2024 812th MeWhenI 🇻🇦 711 92 5ms 2 Oct 2022 812th snoozingnewt 🇺🇸 711 92 3ms 4 days ago 814th Alex-x90 🇺🇸 711 97 52ms 4 Dec 2022 814th Herbert00709 🇵🇱 711 97 53ms 8 Jun 2024 816th KenanSi 710 31 3ms 24 Feb 2022 816th ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 818th GrayJoKing 🇦🇺 706 70 10ms 20 Sep 2021 818th 0x24a537r9 706 70 12ms 10 Sep 2022 818th TRexOnGit 706 70 10ms 2 May 2025 818th Protothor 706 70 8ms 9 Jul 2025 822nd GrayJoKing 🇦🇺 705 72 2ms 9 Apr 2022 823rd msbranicky 704 185 10ms 29 Aug 2023 824th Shanethegamer 🇺🇸 703 54 890ms 13 Sep 2021 825th sean-niemann 🇺🇸 703 61 2,794ms 30 Oct 2024 First Prev 751–825 of 3,115 Next Last