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 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 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 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 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 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 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 801st duckyluuk 🇳🇱 720 73 4ms 16 Dec 2024 802nd yzhs 🇩🇪 719 38 35ms 21 Jun 2022 803rd retrohun 719 69 7ms 3 Nov 2024 804th GrayJoKing 🇦🇺 717 53 1,296ms 13 Sep 2021 804th primo-ppcg 🇹🇭 717 53 1,295ms 22 Sep 2021 806th jakzo 716 69 11ms 5 Sep 2021 806th Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 808th GrayJoKing 🇦🇺 716 72 36ms 14 Jun 2022 808th primo-ppcg 🇹🇭 716 72 37ms 21 Jun 2022 810th MeWhenI 🇻🇦 716 89 38ms 28 Aug 2024 811th ovs-code 🇩🇪 716 98 7ms 17 Mar 2023 812th Natanaelel 🇸🇪 715 32 43ms 22 Jul 2022 812th SirBogman 🇺🇸 715 32 43ms 10 Sep 2022 814th duckyluuk 🇳🇱 715 60 2,923ms 26 Oct 2024 815th DialFrost 🇸🇬 715 76 126ms 26 Dec 2024 815th snoozingnewt 🇨🇦 715 76 119ms 29 Nov 2025 817th Yax42 🇫🇷 715 92 557ms 12 Nov 2025 818th namelessiw 714 61 364ms 5 Mar 2024 818th lifthrasiir 🇰🇷 714 61 394ms 2 Dec 2024 818th DialFrost 🇸🇬 714 61 393ms 26 Dec 2024 821st Attero 🇸🇪 714 66 51ms 25 Sep 2020 821st nstearns96 🇬🇧 714 66 16ms 15 Dec 2022 823rd jared-hughes 714 88 115ms 10 Nov 2022 823rd kgodara 714 88 130ms 11 Mar 2023 823rd snoozingnewt 🇨🇦 714 88 113ms 29 Nov 2025 826th Laar 712 81 137ms 1 Apr 2019 826th alomiF 712 81 136ms 5 Oct 2023 826th brimstonetrader 712 81 115ms 26 Jan 2024 829th MeWhenI 🇻🇦 711 92 5ms 2 Oct 2022 830th Alex-x90 🇺🇸 711 97 58ms 4 Dec 2022 830th Herbert00709 🇵🇱 711 97 52ms 8 Jun 2024 832nd KenanSi 710 31 3ms 24 Feb 2022 832nd ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 834th GrayJoKing 🇦🇺 706 70 11ms 20 Sep 2021 834th 0x24a537r9 706 70 12ms 10 Sep 2022 834th TRexOnGit 706 70 10ms 2 May 2025 834th Protothor 706 70 10ms 9 Jul 2025 838th GrayJoKing 🇦🇺 704 72 1ms 9 Apr 2022 839th jared-hughes 704 82 116ms 11 Sep 2023 840th m-tkach 🇺🇦 704 98 59ms 9 Mar 2023 840th annaproxy 704 98 57ms 22 Oct 2023 842nd msbranicky 704 185 10ms 29 Aug 2023 843rd Shanethegamer 🇺🇸 703 54 1,255ms 13 Sep 2021 844th sean-niemann 🇺🇸 703 61 2,844ms 30 Oct 2024 844th jkelly467 703 61 3,028ms 3 Nov 2025 846th itsjustfreekie 703 67 75ms 20 Sep 2021 846th Fishron 703 67 66ms 21 Oct 2021 846th fredrik-bakke 🇳🇴 703 67 72ms 29 Sep 2022 846th jakobkordez 🇸🇮 703 67 17ms 30 Oct 2022 846th jmerle 🇳🇱 703 67 74ms 16 Feb 2023 851st Yewzir 🇧🇪 702 62 368ms 4 Feb 2024 851st ovs-code 🇩🇪 702 62 383ms 2 Mar 2024 851st KatieLG 🇬🇧 702 62 361ms 28 Oct 2024 854th jmerle 🇳🇱 702 100 7ms 4 Jul 2023 855th dbut2 🇦🇺 702 121 248ms 15 Jul 2025 856th saito-ta 🇯🇵 701 75 6ms 22 Jun 2022 856th inventshah 701 75 2ms 25 Jan 2023 856th Yewzir 🇧🇪 701 75 2ms 22 Dec 2023 856th KasperKivimaeki 🇫🇮 701 75 2ms 5 Jan 2025 860th MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 860th Yewzir 🇧🇪 700 69 2ms 22 Dec 2023 860th sean-niemann 🇺🇸 700 69 2ms 8 Oct 2024 860th albanian-laundromat 700 69 2ms 24 Jun 2025 864th jared-hughes 700 94 494ms 24 Sep 2025 865th Bubbler-4 699 49 65ms 13 Sep 2023 865th ovs-code 🇩🇪 699 49 63ms 13 Sep 2023 867th JunkIce 698 90 118ms 23 Feb 2025 867th dokutan 698 90 119ms 23 Jul 2025 869th snoozingnewt 🇨🇦 697 89 365ms 29 Nov 2025 870th Steffan153 🇫🇮 697 99 54ms 28 Jan 2023 870th ovs-code 🇩🇪 697 99 56ms 3 Jun 2024 870th roupiq 🇵🇱 697 99 57ms 8 Jun 2024 873rd jared-hughes 696 71 9ms 29 Oct 2021 873rd stefangimmillaro 696 71 9ms 27 Aug 2022 873rd SirFireball3521 696 71 9ms 28 Jan 2023 873rd Maznek 696 71 9ms 19 Jun 2023 873rd snoozingnewt 🇨🇦 696 71 9ms 29 Nov 2025 878th msbranicky 696 74 78ms 14 Aug 2023 879th MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 880th dokutan 694 88 116ms 12 Dec 2025 First Prev 801–880 of 3,146 Next Last