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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 638th yzhs 🇩🇪 790 73 140ms 24 Jul 2021 638th MeWhenI 🇻🇦 790 73 139ms 15 Sep 2021 638th sisyphus-ppcg 🇦🇺 790 73 140ms 16 Mar 2022 638th DaCuteRaccoon 790 73 136ms 30 Nov 2022 638th DialFrost 🇸🇬 790 73 142ms 28 Jan 2023 638th pardouin 🇫🇷 790 73 147ms 21 Sep 2024 638th LostSyntax21 🇬🇧 790 73 152ms 8 Jan 2025 638th snoozingnewt 🇨🇦 790 73 148ms 5 Dec 2025 649th Yewzir 🇧🇪 788 69 117ms 6 Dec 2023 650th clockworknazo 788 82 5ms 13 Oct 2022 650th ovs-code 🇩🇪 788 82 5ms 7 Feb 2023 652nd MeWhenI 🇻🇦 788 93 2ms 18 May 2022 653rd GrayJoKing 🇦🇺 787 67 6ms 31 Jan 2025 654th sisyphus-ppcg 🇦🇺 787 108 332ms 16 Mar 2022 655th lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 656th stevelamm 785 60 10ms 5 Oct 2018 656th tjtnorton 785 60 10ms 29 Nov 2018 656th giacomogallina 785 60 11ms 14 Jun 2019 656th cellobix 785 60 10ms 14 Aug 2019 656th mizuzimu 785 60 11ms 4 Feb 2020 656th ArmaanAS 785 60 10ms 8 Mar 2021 656th RDShah 785 60 10ms 26 Nov 2021 656th QuincyNash 🇺🇸 785 60 10ms 30 Nov 2022 656th msbranicky 785 60 13ms 25 Jul 2023 656th Hebelub 785 60 10ms 5 Jan 2024 656th wh3n3v3r 🇨🇿 785 60 9ms 16 Nov 2024 656th JunkIce 785 60 11ms 23 Feb 2025 656th ffelixm 785 60 10ms 12 Jun 2025 656th RaBa21 🇭🇺 785 60 9ms 10 Jul 2025 656th dcc5480 785 60 10ms 9 days ago 671st inventshah 785 88 55ms 27 Jan 2023 672nd dmrichwa 🇺🇸 784 63 10ms 28 Jan 2023 672nd targrik 784 63 11ms 19 Feb 2025 674th HumanoidCPU 784 115 2ms 1 Jan 2026 674th KatieLG 🇬🇧 784 115 2ms 21 Feb 2026 676th hemphen 783 69 455ms 28 Aug 2022 677th primo-ppcg 🇹🇭 782 87 25ms 13 Jul 2021 678th jslip 781 35 33ms 5 Sep 2018 678th rak1507 🇬🇧 781 35 34ms 20 Sep 2021 680th primo-ppcg 🇹🇭 780 54 1,396ms 11 May 2020 681st bforte 780 74 131ms 9 Dec 2018 681st annaproxy 780 74 130ms 12 Jan 2022 681st rak1507 🇬🇧 780 74 140ms 23 Feb 2022 681st Natanaelel 🇸🇪 780 74 143ms 31 May 2025 685th GrayJoKing 🇦🇺 778 56 451ms 23 Jul 2024 685th snoozingnewt 🇨🇦 778 56 451ms 28 Nov 2025 685th BREMAUCY 🇫🇷 778 56 452ms 6 Dec 2025 688th bluebear94 776 40 183ms 12 Feb 2018 688th sisyphus-ppcg 🇦🇺 776 40 155ms 31 Jan 2023 690th msrawson 773 61 10ms 31 Aug 2018 691st m-tkach 🇺🇦 773 110 341ms 5 Dec 2023 692nd prplz 🇦🇺 769 75 145ms 12 Oct 2021 692nd YAJUE114514 769 75 139ms 30 Jul 2025 694th snoozingnewt 🇨🇦 769 84 3ms 9 Dec 2025 695th Yewzir 🇧🇪 767 90 58ms 30 Dec 2023 696th ffelixm 766 71 117ms 12 Jun 2025 697th bendiscz 766 111 312ms 20 Apr 2020 698th dokutan 765 86 430ms 13 Mar 2026 699th lynn 764 57 436ms 17 Feb 2024 699th duckyluuk 🇳🇱 764 57 382ms 27 Mar 2024 701st primo-ppcg 🇹🇭 764 65 2ms 26 Mar 2019 702nd emgordon154 763 30 49ms 10 Sep 2025 703rd CheeryProgrammer 761 71 401ms 21 Nov 2021 703rd fuzzylojik-golf 🇺🇸 761 71 441ms 7 Sep 2025 705th janlelis 760 50 1,452ms 21 Apr 2021 706th Waffle3z 760 62 9ms 27 Feb 2021 706th annaproxy 760 62 10ms 11 Dec 2021 706th KatieLG 🇬🇧 760 62 16ms 11 Dec 2022 706th quimey 760 62 11ms 21 Mar 2023 706th 5cw 🇺🇸 760 62 10ms 6 Jul 2024 706th bzijlema 🇳🇱 760 62 10ms 6 May 2025 706th 4atj 760 62 10ms 30 Jun 2025 706th DrakeSeteraO 760 62 10ms 25 Oct 2025 706th HPWiz 🇳🇿 760 62 11ms 26 Nov 2025 706th bizy-coder 760 62 11ms 5 Dec 2025 706th aksyristos 760 62 10ms 27 days ago 706th vang1ong7ang 760 62 10ms 17 days ago 718th Unremarkable 760 65 10ms 28 Sep 2018 718th j55d 760 65 9ms 29 Sep 2018 718th ToriTheChicken 760 65 9ms 24 Jul 2020 First Prev 641–720 of 3,313 Next Last