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 601st flawr 790 73 136ms 24 Feb 2019 601st GrayJoKing 🇦🇺 790 73 136ms 5 Dec 2020 601st Shanethegamer 🇺🇸 790 73 140ms 15 Jul 2021 601st yzhs 🇩🇪 790 73 140ms 24 Jul 2021 601st MeWhenI 🇻🇦 790 73 144ms 15 Sep 2021 601st sisyphus-ppcg 🇦🇺 790 73 140ms 16 Mar 2022 601st DaCuteRaccoon 790 73 136ms 30 Nov 2022 601st DialFrost 🇸🇬 790 73 154ms 28 Jan 2023 601st scpchicken 🇵🇼 790 73 140ms 7 Mar 2023 601st pardouin 🇫🇷 790 73 177ms 21 Sep 2024 601st LostSyntax21 🇬🇧 790 73 152ms 8 Jan 2025 601st snoozingnewt 🇨🇦 790 73 148ms 5 days ago 613th Yewzir 🇧🇪 787 69 102ms 6 Dec 2023 614th MeWhenI 🇻🇦 787 93 1ms 18 May 2022 615th lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 616th sisyphus-ppcg 🇦🇺 786 108 278ms 16 Mar 2022 617th stevelamm 785 60 9ms 5 Oct 2018 617th tjtnorton 785 60 9ms 29 Nov 2018 617th giacomogallina 785 60 9ms 14 Jun 2019 617th cellobix 785 60 9ms 14 Aug 2019 617th mizuzimu 785 60 9ms 4 Feb 2020 617th ArmaanAS 785 60 9ms 8 Mar 2021 617th RDShah 785 60 9ms 26 Nov 2021 617th QuincyNash 🇺🇸 785 60 9ms 30 Nov 2022 617th msbranicky 785 60 9ms 25 Jul 2023 617th Hebelub 785 60 9ms 5 Jan 2024 617th dokutan 785 60 9ms 23 Jan 2024 617th wh3n3v3r 🇨🇿 785 60 9ms 16 Nov 2024 617th JunkIce 785 60 9ms 23 Feb 2025 617th ffelixm 785 60 12ms 12 Jun 2025 617th RaBa21 🇭🇺 785 60 9ms 10 Jul 2025 617th Flekay 🇩🇪 785 60 9ms 10 Jul 2025 633rd dmrichwa 🇺🇸 784 63 10ms 28 Jan 2023 633rd targrik 784 63 10ms 19 Feb 2025 635th GrayJoKing 🇦🇺 784 67 5ms 31 Jan 2025 636th inventshah 783 88 53ms 27 Jan 2023 637th hemphen 782 69 366ms 28 Aug 2022 638th jslip 781 35 33ms 5 Sep 2018 638th rak1507 🇬🇧 781 35 34ms 20 Sep 2021 640th primo-ppcg 🇹🇭 779 54 1,207ms 11 May 2020 641st bforte 779 74 131ms 9 Dec 2018 641st annaproxy 779 74 130ms 12 Jan 2022 641st rak1507 🇬🇧 779 74 140ms 23 Feb 2022 641st Natanaelel 🇸🇪 779 74 143ms 31 May 2025 645th snoozingnewt 🇨🇦 779 84 3ms 14 hours ago 646th primo-ppcg 🇹🇭 779 87 25ms 13 Jul 2021 647th GrayJoKing 🇦🇺 777 56 386ms 23 Jul 2024 647th fuzzylojik-golf 🇺🇸 777 56 374ms 8 Aug 2025 647th snoozingnewt 🇨🇦 777 56 368ms 11 days ago 647th BREMAUCY 🇫🇷 777 56 358ms 3 days ago 651st bluebear94 776 40 313ms 12 Feb 2018 651st sisyphus-ppcg 🇦🇺 776 40 422ms 31 Jan 2023 653rd Lydxn 🇨🇦 776 65 1ms 11 Oct 2023 654th msrawson 772 61 9ms 31 Aug 2018 655th m-tkach 🇺🇦 772 110 272ms 5 Dec 2023 656th prplz 🇦🇺 769 75 145ms 12 Oct 2021 656th YAJUE114514 769 75 139ms 30 Jul 2025 658th HumanoidCPU 769 85 2ms 19 days ago 659th Yewzir 🇧🇪 766 90 52ms 30 Dec 2023 660th ffelixm 765 71 101ms 12 Jun 2025 661st bendiscz 765 111 262ms 20 Apr 2020 662nd emgordon154 763 30 43ms 10 Sep 2025 663rd lynn 763 57 323ms 17 Feb 2024 663rd duckyluuk 🇳🇱 763 57 350ms 27 Mar 2024 665th primo-ppcg 🇹🇭 763 65 2ms 26 Mar 2019 666th janlelis 760 50 921ms 21 Apr 2021 667th Waffle3z 760 62 9ms 27 Feb 2021 667th annaproxy 760 62 9ms 11 Dec 2021 667th KatieLG 🇬🇧 760 62 16ms 11 Dec 2022 667th quimey 760 62 9ms 21 Mar 2023 667th 5cw 🇺🇸 760 62 9ms 6 Jul 2024 667th bzijlema 🇳🇱 760 62 9ms 6 May 2025 667th 4atj 760 62 9ms 30 Jun 2025 667th DrakeSeteraO 760 62 10ms 25 Oct 2025 667th HPWiz 🇳🇿 760 62 9ms 14 days ago First Prev 601–675 of 3,122 Next Last