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 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 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 ArkScript 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 ArkScript 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 Calendar 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 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 559th tobeannouncd 801 72 137ms 11 Jan 2024 562nd pardouin 🇫🇷 801 106 285ms 24 Aug 2024 563rd DialFrost 🇸🇬 800 62 60ms 21 Jan 2025 564th kevinmchung 799 59 9ms 24 Feb 2018 564th benwilliamgraham 799 59 9ms 26 Jan 2019 564th mogron 799 59 9ms 13 Dec 2019 564th mortimervonchappuis 799 59 10ms 17 Mar 2020 564th OllieBoyne 🇬🇧 799 59 9ms 16 Jan 2021 564th SnowballSH 799 59 9ms 31 Jan 2021 564th vishwathg 799 59 9ms 16 Aug 2022 564th StefanHabel 🇨🇦 799 59 9ms 11 Dec 2022 564th emirps 799 59 9ms 22 Feb 2023 564th AlexanderFair 799 59 9ms 2 Jul 2023 564th AVDestroyer 799 59 9ms 4 Sep 2023 564th eiburns 799 59 9ms 13 Sep 2023 564th m42km 799 59 9ms 7 Oct 2023 564th elgan65536 799 59 16ms 4 Apr 2024 564th KasperKivimaeki 🇫🇮 799 59 10ms 5 Jul 2025 564th dirckvdende 799 59 9ms 6 Jul 2025 580th clockworknazo 798 82 4ms 13 Oct 2022 580th ovs-code 🇩🇪 798 82 5ms 7 Feb 2023 582nd emplv 🇱🇻 797 62 12ms 15 Dec 2021 582nd rucin93 🇵🇱 797 62 10ms 19 Apr 2024 582nd vlpx 🇫🇮 797 62 14ms 18 Jun 2024 585th SirFireball3521 796 39 138ms 22 Mar 2023 586th primo-ppcg 🇹🇭 796 70 38ms 4 Jan 2024 586th stefangimmillaro 796 70 38ms 14 Jan 2024 588th MeWhenI 🇻🇦 795 44 3ms 12 Aug 2024 588th sisyphus-ppcg 🇦🇺 795 44 3ms 12 Aug 2024 588th DialFrost 🇸🇬 795 44 4ms 15 Aug 2024 588th ovs-code 🇩🇪 795 44 3ms 15 Aug 2024 588th Shanethegamer 🇺🇸 795 44 4ms 15 Aug 2024 588th GrayJoKing 🇦🇺 795 44 3ms 17 Aug 2024 588th emgordon154 795 44 3ms 19 Aug 2024 588th pardouin 🇫🇷 795 44 3ms 6 Sep 2024 588th sean-niemann 🇺🇸 795 44 3ms 13 Jan 2025 588th snoozingnewt 🇨🇦 795 44 4ms 30 Nov 2025 598th Yewzir 🇧🇪 793 54 6ms 14 Dec 2023 598th dokutan 793 54 5ms 19 May 2024 598th emgordon154 793 54 5ms 5 Dec 2024 598th edsrzf 🇳🇿 793 54 6ms 21 Jan 2025 598th kg583 🇺🇸 793 54 7ms 30 Jul 2025 598th snoozingnewt 🇨🇦 793 54 7ms 30 Nov 2025 598th DialFrost 🇸🇬 793 54 7ms 4 days ago 605th neel11235813 791 55 375ms 10 Mar 2024 605th albanian-laundromat 791 55 462ms 7 Oct 2025 607th flawr 790 73 136ms 24 Feb 2019 607th GrayJoKing 🇦🇺 790 73 136ms 5 Dec 2020 607th Shanethegamer 🇺🇸 790 73 140ms 15 Jul 2021 607th yzhs 🇩🇪 790 73 140ms 24 Jul 2021 607th MeWhenI 🇻🇦 790 73 144ms 15 Sep 2021 607th sisyphus-ppcg 🇦🇺 790 73 140ms 16 Mar 2022 607th DaCuteRaccoon 790 73 136ms 30 Nov 2022 607th DialFrost 🇸🇬 790 73 154ms 28 Jan 2023 607th scpchicken 🇵🇼 790 73 140ms 7 Mar 2023 607th pardouin 🇫🇷 790 73 177ms 21 Sep 2024 607th LostSyntax21 🇬🇧 790 73 152ms 8 Jan 2025 607th snoozingnewt 🇨🇦 790 73 148ms 5 Dec 2025 619th Yewzir 🇧🇪 787 69 119ms 6 Dec 2023 620th MeWhenI 🇻🇦 787 93 1ms 18 May 2022 621st lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 622nd sisyphus-ppcg 🇦🇺 786 108 278ms 16 Mar 2022 623rd stevelamm 785 60 9ms 5 Oct 2018 623rd tjtnorton 785 60 9ms 29 Nov 2018 623rd giacomogallina 785 60 9ms 14 Jun 2019 623rd cellobix 785 60 9ms 14 Aug 2019 623rd mizuzimu 785 60 9ms 4 Feb 2020 623rd ArmaanAS 785 60 9ms 8 Mar 2021 623rd RDShah 785 60 9ms 26 Nov 2021 623rd QuincyNash 🇺🇸 785 60 9ms 30 Nov 2022 623rd msbranicky 785 60 9ms 25 Jul 2023 623rd Hebelub 785 60 9ms 5 Jan 2024 623rd dokutan 785 60 9ms 23 Jan 2024 623rd wh3n3v3r 🇨🇿 785 60 9ms 16 Nov 2024 623rd JunkIce 785 60 9ms 23 Feb 2025 623rd ffelixm 785 60 12ms 12 Jun 2025 623rd RaBa21 🇭🇺 785 60 9ms 10 Jul 2025 623rd Flekay 🇩🇪 785 60 9ms 10 Jul 2025 639th dmrichwa 🇺🇸 784 63 9ms 28 Jan 2023 639th targrik 784 63 14ms 19 Feb 2025 First Prev 561–640 of 3,136 Next Last