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 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 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 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 600th albanian-laundromat 791 55 405ms 7 Oct 2025 602nd flawr 790 73 136ms 24 Feb 2019 602nd GrayJoKing 🇦🇺 790 73 136ms 5 Dec 2020 602nd Shanethegamer 🇺🇸 790 73 140ms 15 Jul 2021 602nd yzhs 🇩🇪 790 73 140ms 24 Jul 2021 602nd MeWhenI 🇻🇦 790 73 144ms 15 Sep 2021 602nd sisyphus-ppcg 🇦🇺 790 73 140ms 16 Mar 2022 602nd DaCuteRaccoon 790 73 136ms 30 Nov 2022 602nd DialFrost 🇸🇬 790 73 154ms 28 Jan 2023 602nd scpchicken 🇵🇼 790 73 140ms 7 Mar 2023 602nd pardouin 🇫🇷 790 73 177ms 21 Sep 2024 602nd LostSyntax21 🇬🇧 790 73 152ms 8 Jan 2025 602nd snoozingnewt 🇨🇦 790 73 148ms 7 days ago 614th Yewzir 🇧🇪 787 69 102ms 6 Dec 2023 615th MeWhenI 🇻🇦 787 93 1ms 18 May 2022 616th lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 617th sisyphus-ppcg 🇦🇺 786 108 278ms 16 Mar 2022 618th stevelamm 785 60 9ms 5 Oct 2018 618th tjtnorton 785 60 9ms 29 Nov 2018 618th giacomogallina 785 60 9ms 14 Jun 2019 618th cellobix 785 60 9ms 14 Aug 2019 618th mizuzimu 785 60 9ms 4 Feb 2020 618th ArmaanAS 785 60 9ms 8 Mar 2021 618th RDShah 785 60 9ms 26 Nov 2021 618th QuincyNash 🇺🇸 785 60 9ms 30 Nov 2022 618th msbranicky 785 60 9ms 25 Jul 2023 618th Hebelub 785 60 9ms 5 Jan 2024 618th dokutan 785 60 9ms 23 Jan 2024 618th wh3n3v3r 🇨🇿 785 60 9ms 16 Nov 2024 618th JunkIce 785 60 9ms 23 Feb 2025 618th ffelixm 785 60 12ms 12 Jun 2025 618th RaBa21 🇭🇺 785 60 9ms 10 Jul 2025 618th Flekay 🇩🇪 785 60 9ms 10 Jul 2025 634th dmrichwa 🇺🇸 784 63 10ms 28 Jan 2023 634th targrik 784 63 10ms 19 Feb 2025 636th GrayJoKing 🇦🇺 784 67 4ms 31 Jan 2025 637th inventshah 783 88 53ms 27 Jan 2023 638th hemphen 782 69 366ms 28 Aug 2022 639th jslip 781 35 33ms 5 Sep 2018 639th rak1507 🇬🇧 781 35 34ms 20 Sep 2021 641st primo-ppcg 🇹🇭 779 54 1,241ms 11 May 2020 642nd bforte 779 74 131ms 9 Dec 2018 642nd annaproxy 779 74 130ms 12 Jan 2022 642nd rak1507 🇬🇧 779 74 140ms 23 Feb 2022 642nd Natanaelel 🇸🇪 779 74 143ms 31 May 2025 646th snoozingnewt 🇨🇦 779 84 3ms 3 days ago 647th primo-ppcg 🇹🇭 779 87 25ms 13 Jul 2021 648th GrayJoKing 🇦🇺 777 56 386ms 23 Jul 2024 648th fuzzylojik-golf 🇺🇸 777 56 374ms 8 Aug 2025 648th snoozingnewt 🇨🇦 777 56 368ms 14 days ago 648th BREMAUCY 🇫🇷 777 56 358ms 5 days ago 652nd bluebear94 776 40 313ms 12 Feb 2018 652nd sisyphus-ppcg 🇦🇺 776 40 422ms 31 Jan 2023 654th Lydxn 🇨🇦 776 65 1ms 11 Oct 2023 655th msrawson 772 61 9ms 31 Aug 2018 656th m-tkach 🇺🇦 772 110 272ms 5 Dec 2023 657th prplz 🇦🇺 769 75 145ms 12 Oct 2021 657th YAJUE114514 769 75 139ms 30 Jul 2025 659th HumanoidCPU 769 85 2ms 21 days ago 660th Yewzir 🇧🇪 766 90 52ms 30 Dec 2023 661st ffelixm 765 71 101ms 12 Jun 2025 662nd bendiscz 765 111 262ms 20 Apr 2020 663rd emgordon154 763 30 43ms 10 Sep 2025 664th lynn 763 57 323ms 17 Feb 2024 664th duckyluuk 🇳🇱 763 57 350ms 27 Mar 2024 666th primo-ppcg 🇹🇭 763 65 2ms 26 Mar 2019 667th janlelis 760 50 921ms 21 Apr 2021 668th Waffle3z 760 62 9ms 27 Feb 2021 668th annaproxy 760 62 9ms 11 Dec 2021 668th KatieLG 🇬🇧 760 62 16ms 11 Dec 2022 668th quimey 760 62 9ms 21 Mar 2023 668th 5cw 🇺🇸 760 62 9ms 6 Jul 2024 668th bzijlema 🇳🇱 760 62 9ms 6 May 2025 668th 4atj 760 62 9ms 30 Jun 2025 668th DrakeSeteraO 760 62 10ms 25 Oct 2025 First Prev 601–675 of 3,123 Next Last