Happy Numbers (Long) 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 675th ahmetdemirag 🇨🇾 760 78 163ms 11 Feb 2025 677th Babafaba 760 122 341ms 14 Oct 2025 678th shawphy 759 78 10ms 12 Oct 2021 679th DialFrost 🇸🇬 758 112 43ms 13 Feb 2025 680th Yewzir 🇧🇪 758 166 27ms 14 Jan 2024 681st Shanethegamer 🇺🇸 757 100 121ms 19 Sep 2021 681st MichalMarsalek 🇨🇿 757 100 123ms 3 Mar 2022 683rd Shanethegamer 🇺🇸 756 93 3,044ms 27 Oct 2024 684th prplz 🇦🇺 755 91 2ms 19 Dec 2021 684th Irratix 🇳🇱 755 91 3ms 13 Jun 2022 686th DialFrost 🇸🇬 755 127 94ms 5 days ago 686th emgordon154 755 127 97ms 22 hours ago 688th jared-hughes 754 101 2ms 17 Mar 2022 689th jared-hughes 754 123 324ms 24 Sep 2025 690th Irratix 🇳🇱 753 90 146ms 24 Sep 2021 691st Yewzir 🇧🇪 753 99 40ms 18 Dec 2024 692nd OllieBoyne 🇬🇧 751 79 181ms 25 May 2022 692nd 5cw 🇺🇸 751 79 302ms 8 May 2024 692nd bzijlema 🇳🇱 751 79 310ms 11 Oct 2024 692nd jipsong 🇩🇪 751 79 224ms 20 Jun 2025 692nd InigoK 🇺🇸 751 79 181ms 5 Sep 2025 692nd fuzzylojik-golf 🇺🇸 751 79 184ms 15 Sep 2025 692nd HPWiz 🇳🇿 751 79 167ms 13 mins ago 699th MeWhenI 🇻🇦 751 95 14ms 23 May 2023 700th prplz 🇦🇺 750 66 1,268ms 27 Sep 2021 700th DialFrost 🇸🇬 750 66 678ms 10 Oct 2024 702nd prplz 🇦🇺 749 55 40ms 18 Dec 2021 702nd lynn 749 55 68ms 25 May 2022 702nd anter69 🇭🇺 749 55 39ms 25 Jan 2023 702nd ovs-code 🇩🇪 749 55 71ms 9 May 2023 702nd Natanaelel 🇸🇪 749 55 47ms 10 May 2023 707th alasdair-greenland 749 79 22ms 10 Nov 2021 707th igmcdowell 749 79 11ms 11 Dec 2021 707th dylanarmstrong 749 79 12ms 24 Jan 2024 710th Shanethegamer 🇺🇸 749 168 28ms 20 Sep 2021 711th yzhs 🇩🇪 748 66 989ms 5 Nov 2021 712th m-tkach 🇺🇦 747 75 452ms 20 Jan 2024 713th Yewzir 🇧🇪 747 110 500ms 13 Jan 2024 714th Shanethegamer 🇺🇸 746 102 2ms 12 Dec 2022 714th dokutan 746 102 2ms 6 Nov 2025 716th 386asm 🇺🇸 746 117 44ms 10 Apr 2023 717th Shanethegamer 🇺🇸 745 131 27ms 20 Mar 2023 718th sisyphus-ppcg 🇦🇺 744 89 18ms 4 Feb 2023 718th edsrzf 🇳🇿 744 89 14ms 20 days ago 720th KrausRaus 🇺🇸 744 97 2ms 24 Oct 2023 721st o0lit3 🇺🇸 743 50 87ms 19 Sep 2021 721st primo-ppcg 🇹🇭 743 50 139ms 20 Sep 2021 721st nwellnhof 🇩🇪 743 50 70ms 26 Dec 2021 721st Lydxn 🇨🇦 743 50 157ms 25 May 2022 725th Yewzir 🇧🇪 743 102 345ms 13 Jan 2024 726th trist224 🇫🇷 743 126 379ms 15 Nov 2022 727th emgordon154 742 31 335ms 10 Sep 2025 728th snoozingnewt 🇨🇦 742 125 334ms 3 Oct 2025 729th primo-ppcg 🇹🇭 741 80 281ms 22 Sep 2021 729th prplz 🇦🇺 741 80 214ms 18 Dec 2021 729th inventshah 741 80 301ms 10 May 2022 729th jhu04 741 80 299ms 18 Jan 2024 729th jtaxen 741 80 300ms 4 Apr 2024 729th namelessiw 741 80 214ms 14 Jul 2024 729th fgrosshans 🇫🇷 741 80 298ms 23 Jul 2024 729th EnTerr 741 80 181ms 8 Sep 2024 729th zacjl 741 80 22ms 12 Apr 2025 738th itsh01 740 80 40ms 4 Oct 2021 738th voytxt 🇨🇿 740 80 11ms 2 Mar 2022 738th dokutan 740 80 22ms 24 Dec 2024 741st Shanethegamer 🇺🇸 739 93 3ms 3 Apr 2023 741st Yewzir 🇧🇪 739 93 2ms 10 Jan 2024 743rd GrayJoKing 🇦🇺 738 72 151ms 3 Aug 2024 743rd emgordon154 738 72 140ms 15 Nov 2024 745th snoozingnewt 🇨🇦 738 102 96ms 13 Sep 2025 746th KatieLG 🇬🇧 737 67 971ms 21 Sep 2021 747th AlephSquirrel 737 76 516ms 16 Jan 2024 747th JunkIce 737 76 420ms 3 Dec 2024 749th boxjelly 737 92 182ms 14 Mar 2022 750th snoozingnewt 🇨🇦 736 90 144ms 13 Oct 2025 First Prev 676–750 of 2,010 Next Last