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 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 898th HPWiz 🇳🇿 685 49 497ms 9 Mar 2023 898th ovs-code 🇩🇪 685 49 483ms 24 Oct 2023 898th MarcMush 🇫🇷 685 49 478ms 5 Jan 2024 898th DialFrost 🇸🇬 685 49 499ms 5 Jan 2024 898th twolfive 685 49 502ms 5 Oct 2024 906th DialFrost 🇸🇬 685 93 40ms 16 Feb 2025 907th galloj 🇨🇿 684 107 1ms 28 Aug 2022 908th j-Ewan 683 40 33ms 22 Feb 2022 909th Espiobest 683 69 18ms 26 Feb 2021 909th cbondurant 683 69 10ms 10 May 2021 909th hellwue 683 69 10ms 8 Feb 2023 909th Vaekor 683 69 10ms 9 Jul 2023 909th jatloe 683 69 72ms 27 Sep 2024 914th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 915th MeWhenI 🇻🇦 683 101 53ms 8 May 2022 915th janbehrens 🇩🇪 683 101 51ms 26 Nov 2023 917th retrohun 682 191 10ms 27 Dec 2022 918th sisyphus-ppcg 🇦🇺 681 67 4ms 2 Jul 2023 918th targrik 681 67 4ms 17 Jul 2025 920th m-tkach 🇺🇦 680 64 337ms 30 Jan 2024 921st MeWhenI 🇻🇦 679 62 114ms 11 Nov 2021 922nd Irratix 🇳🇱 678 56 1,042ms 25 Mar 2021 922nd emgordon154 678 56 911ms 18 Nov 2024 924th emplv 🇱🇻 678 63 133ms 17 Jul 2025 925th didion0 🇺🇸 677 73 13ms 22 Apr 2021 925th itsh01 677 73 14ms 16 Aug 2021 925th c0d3-4-F00d 🇩🇪 677 73 9ms 5 Jan 2022 925th DaCuteRaccoon 677 73 10ms 30 Nov 2022 925th inventshah 677 73 9ms 28 Jan 2023 925th Yax42 🇫🇷 677 73 9ms 21 days ago 931st primo-ppcg 🇹🇭 677 105 1ms 3 Oct 2020 932nd primo-ppcg 🇹🇭 676 57 3ms 27 Apr 2023 932nd GrayJoKing 🇦🇺 676 57 3ms 20 Aug 2023 932nd emgordon154 676 57 3ms 10 Jan 2025 932nd sean-niemann 🇺🇸 676 57 3ms 21 Apr 2025 932nd kg583 🇺🇸 676 57 3ms 26 Sep 2025 932nd edsrzf 🇳🇿 676 57 3ms 26 Sep 2025 938th Attero 🇸🇪 675 46 125ms 4 May 2020 939th annaproxy 675 80 321ms 5 May 2022 939th Yewzir 🇧🇪 675 80 307ms 8 May 2023 939th DialFrost 🇸🇬 675 80 342ms 26 Dec 2024 942nd marcin7Cd 674 78 2ms 17 May 2020 942nd lynn 674 78 2ms 2 Oct 2021 942nd Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 942nd AZTECCO 674 78 2ms 16 Sep 2025 946th gilufin 673 70 84ms 23 May 2021 946th kellantech 673 70 9ms 3 Jun 2023 946th 2011-Chan-Ethan 673 70 81ms 12 Jul 2023 946th Dataen 673 70 9ms 5 Jan 2024 946th katss2 673 70 14ms 14 Aug 2025 951st DialFrost 🇸🇬 672 58 639ms 1 Sep 2025 952nd HumanoidCPU 672 73 63ms 3 May 2024 953rd janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 954th GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 955th MeWhenI 🇻🇦 669 65 374ms 17 Jan 2024 956th weliveinhell 🇭🇹 668 74 8ms 3 Sep 2023 957th inventshah 668 83 3ms 3 Nov 2022 958th rucin93 🇵🇱 667 64 134ms 6 Sep 2024 959th jared-hughes 667 76 1ms 6 Mar 2022 960th m-tkach 🇺🇦 666 79 2ms 9 Mar 2023 960th ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 960th dokutan 666 79 2ms 1 May 2024 960th xsot 🇸🇬 666 79 2ms 23 May 2024 960th DialFrost 🇸🇬 666 79 14ms 17 Dec 2024 960th Yax42 🇫🇷 666 79 2ms 15 Oct 2025 966th GolfingSuccess 🇬🇷 666 110 2ms 13 May 2022 967th tnecio 664 71 9ms 29 Apr 2021 967th commandblockguy 🇺🇸 664 71 9ms 30 Sep 2022 969th guliyevemil1 🇦🇿 663 87 149ms 20 Apr 2020 969th strout 663 87 176ms 15 Dec 2023 971st DialFrost 🇸🇬 662 73 2ms 5 Nov 2023 971st dokutan 662 73 2ms 27 Mar 2024 973rd Steffan153 🇫🇮 662 106 7ms 12 Mar 2023 973rd annaproxy 662 106 7ms 12 Mar 2023 973rd scpchicken 🇵🇼 662 106 7ms 12 Mar 2023 First Prev 901–975 of 3,115 Next Last