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 595th DaCuteRaccoon 790 73 175ms 30 Nov 2022 595th DialFrost 🇸🇬 790 73 184ms 28 Jan 2023 595th scpchicken 🇵🇼 790 73 174ms 7 Mar 2023 595th pardouin 🇫🇷 790 73 161ms 21 Sep 2024 595th LostSyntax21 🇬🇧 790 73 142ms 8 Jan 2025 606th Yewzir 🇧🇪 787 69 102ms 6 Dec 2023 607th MeWhenI 🇻🇦 787 93 1ms 18 May 2022 608th lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 609th sisyphus-ppcg 🇦🇺 786 108 271ms 16 Mar 2022 610th stevelamm 785 60 9ms 5 Oct 2018 610th tjtnorton 785 60 9ms 29 Nov 2018 610th giacomogallina 785 60 10ms 14 Jun 2019 610th cellobix 785 60 9ms 14 Aug 2019 610th mizuzimu 785 60 13ms 4 Feb 2020 610th ArmaanAS 785 60 9ms 8 Mar 2021 610th RDShah 785 60 10ms 26 Nov 2021 610th QuincyNash 🇺🇸 785 60 15ms 30 Nov 2022 610th msbranicky 785 60 13ms 25 Jul 2023 610th Hebelub 785 60 10ms 5 Jan 2024 610th dokutan 785 60 10ms 23 Jan 2024 610th wh3n3v3r 🇨🇿 785 60 9ms 16 Nov 2024 610th JunkIce 785 60 9ms 23 Feb 2025 610th ffelixm 785 60 9ms 12 Jun 2025 610th RaBa21 🇭🇺 785 60 9ms 10 Jul 2025 610th Flekay 🇩🇪 785 60 9ms 10 Jul 2025 626th dmrichwa 🇺🇸 784 63 10ms 28 Jan 2023 626th targrik 784 63 10ms 19 Feb 2025 628th GrayJoKing 🇦🇺 784 67 5ms 31 Jan 2025 629th inventshah 783 88 50ms 27 Jan 2023 630th hemphen 782 69 366ms 28 Aug 2022 631st jslip 781 35 36ms 5 Sep 2018 631st rak1507 🇬🇧 781 35 37ms 20 Sep 2021 633rd primo-ppcg 🇹🇭 779 54 1,207ms 11 May 2020 634th bforte 779 74 144ms 9 Dec 2018 634th annaproxy 779 74 152ms 12 Jan 2022 634th rak1507 🇬🇧 779 74 157ms 23 Feb 2022 634th snoozingnewt 🇨🇦 779 74 150ms 1 Sep 2024 634th Natanaelel 🇸🇪 779 74 157ms 31 May 2025 639th primo-ppcg 🇹🇭 779 87 27ms 13 Jul 2021 640th GrayJoKing 🇦🇺 777 56 427ms 23 Jul 2024 640th fuzzylojik-golf 🇺🇸 777 56 396ms 8 Aug 2025 640th snoozingnewt 🇨🇦 777 56 364ms 5 days ago 643rd bluebear94 776 40 158ms 12 Feb 2018 643rd sisyphus-ppcg 🇦🇺 776 40 138ms 31 Jan 2023 645th Lydxn 🇨🇦 776 65 1ms 11 Oct 2023 646th msrawson 772 61 10ms 31 Aug 2018 647th m-tkach 🇺🇦 772 110 263ms 5 Dec 2023 648th prplz 🇦🇺 769 75 158ms 12 Oct 2021 648th YAJUE114514 769 75 177ms 30 Jul 2025 650th HumanoidCPU 769 85 3ms 13 days ago 651st Yewzir 🇧🇪 766 90 54ms 30 Dec 2023 652nd ffelixm 765 71 102ms 12 Jun 2025 653rd bendiscz 765 111 258ms 20 Apr 2020 654th emgordon154 763 30 49ms 10 Sep 2025 655th lynn 763 57 330ms 17 Feb 2024 655th duckyluuk 🇳🇱 763 57 367ms 27 Mar 2024 657th primo-ppcg 🇹🇭 763 65 2ms 26 Mar 2019 658th janlelis 760 50 921ms 21 Apr 2021 659th Waffle3z 760 62 9ms 27 Feb 2021 659th annaproxy 760 62 9ms 11 Dec 2021 659th KatieLG 🇬🇧 760 62 24ms 11 Dec 2022 659th quimey 760 62 11ms 21 Mar 2023 659th 5cw 🇺🇸 760 62 9ms 6 Jul 2024 659th bzijlema 🇳🇱 760 62 9ms 6 May 2025 659th 4atj 760 62 10ms 30 Jun 2025 659th DrakeSeteraO 760 62 13ms 25 Oct 2025 659th HPWiz 🇳🇿 760 62 13ms 8 days ago 668th Unremarkable 760 65 9ms 28 Sep 2018 668th j55d 760 65 9ms 29 Sep 2018 668th ToriTheChicken 760 65 9ms 24 Jul 2020 668th thisishowmymindworks 🇳🇴 760 65 9ms 24 Jul 2020 668th Irratix 🇳🇱 760 65 11ms 27 Jul 2020 668th ehouais 760 65 8ms 24 Aug 2020 668th cywong-amino 🇭🇰 760 65 9ms 30 Sep 2020 668th sisyphus-ppcg 🇦🇺 760 65 10ms 27 Jan 2021 First Prev 601–675 of 3,116 Next Last