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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 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 ArkScript 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 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 ArkScript 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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 641st stevelamm 785 60 10ms 5 Oct 2018 641st tjtnorton 785 60 9ms 29 Nov 2018 641st giacomogallina 785 60 9ms 14 Jun 2019 641st cellobix 785 60 10ms 14 Aug 2019 641st mizuzimu 785 60 10ms 4 Feb 2020 641st ArmaanAS 785 60 10ms 8 Mar 2021 641st RDShah 785 60 9ms 26 Nov 2021 641st QuincyNash 🇺🇸 785 60 9ms 30 Nov 2022 641st msbranicky 785 60 10ms 25 Jul 2023 641st Hebelub 785 60 9ms 5 Jan 2024 641st wh3n3v3r 🇨🇿 785 60 10ms 16 Nov 2024 641st JunkIce 785 60 10ms 23 Feb 2025 641st ffelixm 785 60 10ms 12 Jun 2025 641st RaBa21 🇭🇺 785 60 10ms 10 Jul 2025 655th dmrichwa 🇺🇸 784 63 10ms 28 Jan 2023 655th targrik 784 63 11ms 19 Feb 2025 657th inventshah 784 88 57ms 27 Jan 2023 658th hemphen 783 69 456ms 28 Aug 2022 659th jslip 781 35 33ms 5 Sep 2018 659th rak1507 🇬🇧 781 35 34ms 20 Sep 2021 661st primo-ppcg 🇹🇭 781 87 25ms 13 Jul 2021 662nd bforte 780 74 131ms 9 Dec 2018 662nd annaproxy 780 74 130ms 12 Jan 2022 662nd rak1507 🇬🇧 780 74 140ms 23 Feb 2022 662nd Natanaelel 🇸🇪 780 74 143ms 31 May 2025 666th primo-ppcg 🇹🇭 779 54 1,309ms 11 May 2020 667th snoozingnewt 🇨🇦 779 84 3ms 9 Dec 2025 668th GrayJoKing 🇦🇺 777 56 443ms 23 Jul 2024 668th snoozingnewt 🇨🇦 777 56 383ms 28 Nov 2025 668th BREMAUCY 🇫🇷 777 56 375ms 6 Dec 2025 671st bluebear94 776 40 173ms 12 Feb 2018 671st sisyphus-ppcg 🇦🇺 776 40 155ms 31 Jan 2023 673rd Lydxn 🇨🇦 776 65 1ms 11 Oct 2023 674th msrawson 773 61 9ms 31 Aug 2018 675th m-tkach 🇺🇦 772 110 280ms 5 Dec 2023 676th prplz 🇦🇺 769 75 145ms 12 Oct 2021 676th YAJUE114514 769 75 139ms 30 Jul 2025 678th HumanoidCPU 769 85 3ms 20 Nov 2025 678th dokutan 769 85 3ms 15 Feb 2026 680th Yewzir 🇧🇪 767 90 58ms 30 Dec 2023 681st ffelixm 765 71 133ms 12 Jun 2025 682nd dokutan 765 86 384ms 5 days ago 683rd bendiscz 765 111 291ms 20 Apr 2020 684th lynn 764 57 377ms 17 Feb 2024 684th duckyluuk 🇳🇱 764 57 385ms 27 Mar 2024 686th emgordon154 763 30 44ms 10 Sep 2025 687th primo-ppcg 🇹🇭 763 65 2ms 26 Mar 2019 688th CheeryProgrammer 761 71 420ms 21 Nov 2021 688th fuzzylojik-golf 🇺🇸 761 71 373ms 7 Sep 2025 690th janlelis 760 50 1,242ms 21 Apr 2021 691st Waffle3z 760 62 9ms 27 Feb 2021 691st annaproxy 760 62 10ms 11 Dec 2021 691st KatieLG 🇬🇧 760 62 16ms 11 Dec 2022 691st quimey 760 62 9ms 21 Mar 2023 691st 5cw 🇺🇸 760 62 9ms 6 Jul 2024 691st bzijlema 🇳🇱 760 62 9ms 6 May 2025 691st 4atj 760 62 10ms 30 Jun 2025 691st DrakeSeteraO 760 62 9ms 25 Oct 2025 691st HPWiz 🇳🇿 760 62 10ms 26 Nov 2025 691st bizy-coder 760 62 10ms 5 Dec 2025 701st Unremarkable 760 65 9ms 28 Sep 2018 701st j55d 760 65 9ms 29 Sep 2018 701st ToriTheChicken 760 65 9ms 24 Jul 2020 701st thisishowmymindworks 🇳🇴 760 65 9ms 24 Jul 2020 701st Irratix 🇳🇱 760 65 13ms 27 Jul 2020 701st ehouais 760 65 9ms 24 Aug 2020 701st cywong-amino 🇭🇰 760 65 9ms 30 Sep 2020 701st sisyphus-ppcg 🇦🇺 760 65 10ms 27 Jan 2021 701st MeWhenI 🇻🇦 760 65 9ms 15 Sep 2021 701st shawphy 760 65 9ms 14 Oct 2021 701st DialFrost 🇸🇬 760 65 10ms 28 Jan 2023 701st tayloia 🇬🇧 760 65 10ms 11 May 2023 701st janbehrens 🇩🇪 760 65 12ms 26 Nov 2023 701st Yewzir 🇧🇪 760 65 9ms 6 Dec 2023 715th CornerMercury 🇬🇧 759 29 3ms 21 Jan 2026 715th emgordon154 759 29 3ms 24 days ago 717th orthoplex 🇨🇽 759 36 35ms 20 Jul 2024 718th GrayJoKing 🇦🇺 758 91 28ms 28 Jan 2023 719th jiaminglimjm 🇲🇾 758 172 9ms 9 Jan 2021 720th lynn 755 93 6ms 15 Mar 2023 First Prev 641–720 of 3,191 Next Last