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 594th DialFrost 🇸🇬 790 73 184ms 28 Jan 2023 594th scpchicken 🇵🇼 790 73 174ms 7 Mar 2023 594th pardouin 🇫🇷 790 73 161ms 21 Sep 2024 594th LostSyntax21 🇬🇧 790 73 142ms 8 Jan 2025 605th Yewzir 🇧🇪 787 69 103ms 6 Dec 2023 606th MeWhenI 🇻🇦 787 93 1ms 18 May 2022 607th lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 608th sisyphus-ppcg 🇦🇺 786 108 271ms 16 Mar 2022 609th stevelamm 785 60 9ms 5 Oct 2018 609th tjtnorton 785 60 9ms 29 Nov 2018 609th giacomogallina 785 60 10ms 14 Jun 2019 609th cellobix 785 60 9ms 14 Aug 2019 609th mizuzimu 785 60 13ms 4 Feb 2020 609th ArmaanAS 785 60 9ms 8 Mar 2021 609th RDShah 785 60 10ms 26 Nov 2021 609th QuincyNash 🇺🇸 785 60 15ms 30 Nov 2022 609th msbranicky 785 60 13ms 25 Jul 2023 609th Hebelub 785 60 10ms 5 Jan 2024 609th dokutan 785 60 10ms 23 Jan 2024 609th wh3n3v3r 🇨🇿 785 60 9ms 16 Nov 2024 609th JunkIce 785 60 9ms 23 Feb 2025 609th ffelixm 785 60 9ms 12 Jun 2025 609th RaBa21 🇭🇺 785 60 9ms 10 Jul 2025 609th Flekay 🇩🇪 785 60 9ms 10 Jul 2025 625th dmrichwa 🇺🇸 784 63 9ms 28 Jan 2023 625th targrik 784 63 9ms 19 Feb 2025 627th GrayJoKing 🇦🇺 784 67 5ms 31 Jan 2025 628th inventshah 783 88 51ms 27 Jan 2023 629th hemphen 782 69 366ms 28 Aug 2022 630th jslip 781 35 36ms 5 Sep 2018 630th rak1507 🇬🇧 781 35 37ms 20 Sep 2021 632nd primo-ppcg 🇹🇭 779 54 1,207ms 11 May 2020 633rd bforte 779 74 144ms 9 Dec 2018 633rd annaproxy 779 74 152ms 12 Jan 2022 633rd rak1507 🇬🇧 779 74 157ms 23 Feb 2022 633rd snoozingnewt 🇺🇸 779 74 150ms 1 Sep 2024 633rd Natanaelel 🇸🇪 779 74 157ms 31 May 2025 638th primo-ppcg 🇹🇭 779 87 27ms 13 Jul 2021 639th GrayJoKing 🇦🇺 777 56 427ms 23 Jul 2024 639th fuzzylojik-golf 🇺🇸 777 56 396ms 8 Aug 2025 639th snoozingnewt 🇺🇸 777 56 364ms 5 days ago 642nd bluebear94 776 40 158ms 12 Feb 2018 642nd sisyphus-ppcg 🇦🇺 776 40 138ms 31 Jan 2023 644th Lydxn 🇨🇦 776 65 1ms 11 Oct 2023 645th msrawson 772 61 10ms 31 Aug 2018 646th m-tkach 🇺🇦 772 110 263ms 5 Dec 2023 647th prplz 🇦🇺 769 75 158ms 12 Oct 2021 647th YAJUE114514 769 75 177ms 30 Jul 2025 649th HumanoidCPU 769 85 3ms 12 days ago 650th Yewzir 🇧🇪 766 90 51ms 30 Dec 2023 651st ffelixm 765 71 106ms 12 Jun 2025 652nd bendiscz 765 111 258ms 20 Apr 2020 653rd emgordon154 763 30 49ms 10 Sep 2025 654th lynn 763 57 330ms 17 Feb 2024 654th duckyluuk 🇳🇱 763 57 367ms 27 Mar 2024 656th primo-ppcg 🇹🇭 763 65 2ms 26 Mar 2019 657th janlelis 760 50 921ms 21 Apr 2021 658th Waffle3z 760 62 9ms 27 Feb 2021 658th annaproxy 760 62 9ms 11 Dec 2021 658th KatieLG 🇬🇧 760 62 24ms 11 Dec 2022 658th quimey 760 62 11ms 21 Mar 2023 658th 5cw 🇺🇸 760 62 9ms 6 Jul 2024 658th bzijlema 🇳🇱 760 62 9ms 6 May 2025 658th 4atj 760 62 10ms 30 Jun 2025 658th DrakeSeteraO 760 62 13ms 25 Oct 2025 658th HPWiz 🇳🇿 760 62 13ms 7 days ago 667th Unremarkable 760 65 9ms 28 Sep 2018 667th j55d 760 65 9ms 29 Sep 2018 667th ToriTheChicken 760 65 9ms 24 Jul 2020 667th thisishowmymindworks 🇳🇴 760 65 9ms 24 Jul 2020 667th Irratix 🇳🇱 760 65 9ms 27 Jul 2020 667th ehouais 760 65 8ms 24 Aug 2020 667th cywong-amino 🇭🇰 760 65 9ms 30 Sep 2020 667th sisyphus-ppcg 🇦🇺 760 65 9ms 27 Jan 2021 667th MeWhenI 🇻🇦 760 65 12ms 15 Sep 2021 First Prev 601–675 of 3,115 Next Last