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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder 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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder 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 641st MeWhenI 🇻🇦 787 93 1ms 18 May 2022 642nd lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 643rd GrayJoKing 🇦🇺 786 67 5ms 31 Jan 2025 644th sisyphus-ppcg 🇦🇺 786 108 282ms 16 Mar 2022 645th stevelamm 785 60 10ms 5 Oct 2018 645th tjtnorton 785 60 9ms 29 Nov 2018 645th giacomogallina 785 60 9ms 14 Jun 2019 645th cellobix 785 60 10ms 14 Aug 2019 645th mizuzimu 785 60 10ms 4 Feb 2020 645th ArmaanAS 785 60 10ms 8 Mar 2021 645th RDShah 785 60 9ms 26 Nov 2021 645th QuincyNash 🇺🇸 785 60 9ms 30 Nov 2022 645th msbranicky 785 60 10ms 25 Jul 2023 645th Hebelub 785 60 9ms 5 Jan 2024 645th wh3n3v3r 🇨🇿 785 60 10ms 16 Nov 2024 645th JunkIce 785 60 10ms 23 Feb 2025 645th ffelixm 785 60 10ms 12 Jun 2025 645th RaBa21 🇭🇺 785 60 10ms 10 Jul 2025 659th dmrichwa 🇺🇸 784 63 11ms 28 Jan 2023 659th targrik 784 63 9ms 19 Feb 2025 661st inventshah 784 88 57ms 27 Jan 2023 662nd hemphen 783 69 443ms 28 Aug 2022 663rd jslip 781 35 33ms 5 Sep 2018 663rd rak1507 🇬🇧 781 35 34ms 20 Sep 2021 665th primo-ppcg 🇹🇭 781 87 25ms 13 Jul 2021 666th Shanethegamer 🇺🇸 781 114 2ms 7 Feb 2026 666th SuperFola 781 114 3ms 19 Feb 2026 666th CaedenHarper 🇨🇦 781 114 3ms 93 mins ago 666th dokutan 781 114 3ms 14 mins ago 670th bforte 780 74 131ms 9 Dec 2018 670th annaproxy 780 74 130ms 12 Jan 2022 670th rak1507 🇬🇧 780 74 140ms 23 Feb 2022 670th Natanaelel 🇸🇪 780 74 143ms 31 May 2025 674th primo-ppcg 🇹🇭 779 54 1,218ms 11 May 2020 675th snoozingnewt 🇨🇦 779 84 3ms 9 Dec 2025 676th GrayJoKing 🇦🇺 777 56 443ms 23 Jul 2024 676th snoozingnewt 🇨🇦 777 56 383ms 28 Nov 2025 676th BREMAUCY 🇫🇷 777 56 375ms 6 Dec 2025 679th bluebear94 776 40 173ms 12 Feb 2018 679th sisyphus-ppcg 🇦🇺 776 40 155ms 31 Jan 2023 681st Lydxn 🇨🇦 776 65 1ms 11 Oct 2023 682nd HumanoidCPU 774 115 3ms 1 Jan 2026 682nd KatieLG 🇬🇧 774 115 3ms 27 days ago 684th msrawson 773 61 9ms 31 Aug 2018 685th m-tkach 🇺🇦 772 110 280ms 5 Dec 2023 686th prplz 🇦🇺 769 75 145ms 12 Oct 2021 686th YAJUE114514 769 75 139ms 30 Jul 2025 688th HumanoidCPU 769 85 3ms 20 Nov 2025 688th dokutan 769 85 3ms 15 Feb 2026 690th Yewzir 🇧🇪 767 90 58ms 30 Dec 2023 691st ffelixm 765 71 111ms 12 Jun 2025 692nd dokutan 765 86 384ms 7 days ago 693rd bendiscz 765 111 291ms 20 Apr 2020 694th lynn 764 57 377ms 17 Feb 2024 694th duckyluuk 🇳🇱 764 57 385ms 27 Mar 2024 696th emgordon154 763 30 43ms 10 Sep 2025 697th primo-ppcg 🇹🇭 763 65 2ms 26 Mar 2019 698th CheeryProgrammer 761 71 411ms 21 Nov 2021 698th fuzzylojik-golf 🇺🇸 761 71 373ms 7 Sep 2025 700th janlelis 760 50 1,242ms 21 Apr 2021 701st Waffle3z 760 62 9ms 27 Feb 2021 701st annaproxy 760 62 10ms 11 Dec 2021 701st KatieLG 🇬🇧 760 62 16ms 11 Dec 2022 701st quimey 760 62 9ms 21 Mar 2023 701st 5cw 🇺🇸 760 62 9ms 6 Jul 2024 701st bzijlema 🇳🇱 760 62 9ms 6 May 2025 701st 4atj 760 62 10ms 30 Jun 2025 701st DrakeSeteraO 760 62 9ms 25 Oct 2025 701st HPWiz 🇳🇿 760 62 10ms 26 Nov 2025 701st bizy-coder 760 62 10ms 5 Dec 2025 711th Unremarkable 760 65 9ms 28 Sep 2018 711th j55d 760 65 8ms 29 Sep 2018 711th ToriTheChicken 760 65 8ms 24 Jul 2020 711th thisishowmymindworks 🇳🇴 760 65 8ms 24 Jul 2020 711th Irratix 🇳🇱 760 65 32ms 27 Jul 2020 711th ehouais 760 65 9ms 24 Aug 2020 711th cywong-amino 🇭🇰 760 65 9ms 30 Sep 2020 711th sisyphus-ppcg 🇦🇺 760 65 9ms 27 Jan 2021 711th MeWhenI 🇻🇦 760 65 9ms 15 Sep 2021 711th shawphy 760 65 8ms 14 Oct 2021 First Prev 641–720 of 3,197 Next Last