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 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 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 900th KatieLG 🇬🇧 686 72 11ms 16 Apr 2021 900th neihousaigaai 686 72 10ms 18 Apr 2021 900th two-bad 🇬🇧 686 72 10ms 25 Feb 2024 904th rustyflamingo 685 49 492ms 22 Sep 2022 904th antimon2 🇯🇵 685 49 499ms 15 Oct 2022 904th alemelis 685 49 503ms 1 Mar 2023 904th HPWiz 🇳🇿 685 49 497ms 9 Mar 2023 904th ovs-code 🇩🇪 685 49 483ms 24 Oct 2023 904th MarcMush 🇫🇷 685 49 478ms 5 Jan 2024 904th DialFrost 🇸🇬 685 49 499ms 5 Jan 2024 904th twolfive 685 49 502ms 5 Oct 2024 912th DialFrost 🇸🇬 685 93 40ms 16 Feb 2025 913th galloj 🇨🇿 684 107 1ms 28 Aug 2022 914th j-Ewan 683 40 33ms 22 Feb 2022 915th Espiobest 683 69 18ms 26 Feb 2021 915th cbondurant 683 69 10ms 10 May 2021 915th hellwue 683 69 10ms 8 Feb 2023 915th Vaekor 683 69 10ms 9 Jul 2023 915th jatloe 683 69 72ms 27 Sep 2024 920th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 921st MeWhenI 🇻🇦 683 101 53ms 8 May 2022 921st janbehrens 🇩🇪 683 101 54ms 26 Nov 2023 923rd retrohun 682 191 10ms 27 Dec 2022 924th sisyphus-ppcg 🇦🇺 681 67 4ms 2 Jul 2023 924th targrik 681 67 4ms 17 Jul 2025 926th m-tkach 🇺🇦 680 64 337ms 30 Jan 2024 927th MeWhenI 🇻🇦 679 62 114ms 11 Nov 2021 928th Irratix 🇳🇱 678 56 1,042ms 25 Mar 2021 928th emgordon154 678 56 911ms 18 Nov 2024 930th emplv 🇱🇻 678 63 131ms 17 Jul 2025 931st didion0 🇺🇸 677 73 12ms 22 Apr 2021 931st itsh01 677 73 12ms 16 Aug 2021 931st c0d3-4-F00d 🇩🇪 677 73 10ms 5 Jan 2022 931st DaCuteRaccoon 677 73 10ms 30 Nov 2022 931st inventshah 677 73 8ms 28 Jan 2023 931st Yax42 🇫🇷 677 73 9ms 25 days ago 937th primo-ppcg 🇹🇭 677 105 1ms 3 Oct 2020 938th primo-ppcg 🇹🇭 676 57 3ms 27 Apr 2023 938th GrayJoKing 🇦🇺 676 57 3ms 20 Aug 2023 938th emgordon154 676 57 3ms 10 Jan 2025 938th sean-niemann 🇺🇸 676 57 3ms 21 Apr 2025 938th kg583 🇺🇸 676 57 3ms 26 Sep 2025 938th edsrzf 🇳🇿 676 57 3ms 26 Sep 2025 944th Attero 🇸🇪 675 46 125ms 4 May 2020 945th annaproxy 675 80 321ms 5 May 2022 945th Yewzir 🇧🇪 675 80 307ms 8 May 2023 945th DialFrost 🇸🇬 675 80 342ms 26 Dec 2024 948th marcin7Cd 674 78 2ms 17 May 2020 948th lynn 674 78 2ms 2 Oct 2021 948th Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 948th AZTECCO 674 78 2ms 16 Sep 2025 952nd gilufin 673 70 84ms 23 May 2021 952nd kellantech 673 70 9ms 3 Jun 2023 952nd 2011-Chan-Ethan 673 70 81ms 12 Jul 2023 952nd Dataen 673 70 9ms 5 Jan 2024 952nd katss2 673 70 14ms 14 Aug 2025 957th DialFrost 🇸🇬 672 58 631ms 1 Sep 2025 958th HumanoidCPU 672 73 63ms 3 May 2024 959th janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 960th GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 961st MeWhenI 🇻🇦 669 65 374ms 17 Jan 2024 962nd weliveinhell 🇭🇹 668 74 9ms 3 Sep 2023 963rd inventshah 668 83 3ms 3 Nov 2022 964th rucin93 🇵🇱 667 64 129ms 6 Sep 2024 965th jared-hughes 667 76 1ms 6 Mar 2022 966th m-tkach 🇺🇦 666 79 2ms 9 Mar 2023 966th ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 966th dokutan 666 79 2ms 1 May 2024 966th xsot 🇸🇬 666 79 2ms 23 May 2024 966th DialFrost 🇸🇬 666 79 14ms 17 Dec 2024 966th Yax42 🇫🇷 666 79 2ms 15 Oct 2025 972nd GolfingSuccess 🇬🇷 666 110 1ms 13 May 2022 973rd tnecio 664 71 9ms 29 Apr 2021 973rd commandblockguy 🇺🇸 664 71 9ms 30 Sep 2022 975th guliyevemil1 🇦🇿 663 87 149ms 20 Apr 2020 First Prev 901–975 of 3,121 Next Last