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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 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 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 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 800th Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 802nd GrayJoKing 🇦🇺 716 72 36ms 14 Jun 2022 802nd primo-ppcg 🇹🇭 716 72 37ms 21 Jun 2022 804th MeWhenI 🇻🇦 716 89 38ms 28 Aug 2024 805th ovs-code 🇩🇪 716 98 7ms 17 Mar 2023 806th Natanaelel 🇸🇪 715 32 47ms 22 Jul 2022 806th SirBogman 🇺🇸 715 32 49ms 10 Sep 2022 808th duckyluuk 🇳🇱 715 60 2,971ms 26 Oct 2024 809th DialFrost 🇸🇬 715 76 100ms 26 Dec 2024 809th snoozingnewt 🇨🇦 715 76 100ms 29 Nov 2025 811th Yax42 🇫🇷 715 92 413ms 12 Nov 2025 812th Attero 🇸🇪 714 66 51ms 25 Sep 2020 812th nstearns96 🇬🇧 714 66 16ms 15 Dec 2022 814th jared-hughes 714 88 118ms 10 Nov 2022 814th kgodara 714 88 118ms 11 Mar 2023 814th snoozingnewt 🇨🇦 714 88 115ms 29 Nov 2025 817th namelessiw 713 61 328ms 5 Mar 2024 817th lifthrasiir 🇰🇷 713 61 335ms 2 Dec 2024 817th DialFrost 🇸🇬 713 61 327ms 26 Dec 2024 820th Laar 712 81 137ms 1 Apr 2019 820th alomiF 712 81 136ms 5 Oct 2023 820th brimstonetrader 712 81 115ms 26 Jan 2024 823rd MeWhenI 🇻🇦 711 92 5ms 2 Oct 2022 824th Alex-x90 🇺🇸 711 97 58ms 4 Dec 2022 824th Herbert00709 🇵🇱 711 97 52ms 8 Jun 2024 826th KenanSi 710 31 3ms 24 Feb 2022 826th ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 828th GrayJoKing 🇦🇺 706 70 10ms 20 Sep 2021 828th 0x24a537r9 706 70 12ms 10 Sep 2022 828th TRexOnGit 706 70 9ms 2 May 2025 828th Protothor 706 70 9ms 9 Jul 2025 832nd GrayJoKing 🇦🇺 704 72 1ms 9 Apr 2022 833rd jared-hughes 704 82 116ms 11 Sep 2023 834th m-tkach 🇺🇦 704 98 59ms 9 Mar 2023 834th annaproxy 704 98 57ms 22 Oct 2023 836th msbranicky 704 185 10ms 29 Aug 2023 837th Shanethegamer 🇺🇸 703 54 890ms 13 Sep 2021 838th sean-niemann 🇺🇸 703 61 3,053ms 30 Oct 2024 838th jkelly467 703 61 3,083ms 3 Nov 2025 840th itsjustfreekie 703 67 75ms 20 Sep 2021 840th Fishron 703 67 66ms 21 Oct 2021 840th fredrik-bakke 🇳🇴 703 67 72ms 29 Sep 2022 840th jakobkordez 🇸🇮 703 67 17ms 30 Oct 2022 840th jmerle 🇳🇱 703 67 74ms 16 Feb 2023 845th Yewzir 🇧🇪 702 62 349ms 4 Feb 2024 845th ovs-code 🇩🇪 702 62 358ms 2 Mar 2024 845th KatieLG 🇬🇧 702 62 372ms 28 Oct 2024 848th jmerle 🇳🇱 702 100 7ms 4 Jul 2023 849th dbut2 🇦🇺 702 121 274ms 15 Jul 2025 850th saito-ta 🇯🇵 701 75 6ms 22 Jun 2022 850th inventshah 701 75 2ms 25 Jan 2023 850th Yewzir 🇧🇪 701 75 2ms 22 Dec 2023 850th KasperKivimaeki 🇫🇮 701 75 2ms 5 Jan 2025 854th MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 854th Yewzir 🇧🇪 700 69 2ms 22 Dec 2023 854th sean-niemann 🇺🇸 700 69 2ms 8 Oct 2024 854th albanian-laundromat 700 69 2ms 24 Jun 2025 858th jared-hughes 700 94 444ms 24 Sep 2025 859th Bubbler-4 699 49 65ms 13 Sep 2023 859th ovs-code 🇩🇪 699 49 63ms 13 Sep 2023 861st JunkIce 698 90 116ms 23 Feb 2025 861st dokutan 698 90 120ms 23 Jul 2025 863rd snoozingnewt 🇨🇦 697 89 365ms 29 Nov 2025 864th Steffan153 🇫🇮 697 99 54ms 28 Jan 2023 864th ovs-code 🇩🇪 697 99 56ms 3 Jun 2024 864th roupiq 🇵🇱 697 99 57ms 8 Jun 2024 867th jared-hughes 696 71 9ms 29 Oct 2021 867th stefangimmillaro 696 71 9ms 27 Aug 2022 867th SirFireball3521 696 71 9ms 28 Jan 2023 867th Maznek 696 71 9ms 19 Jun 2023 867th KrausRaus 🇺🇸 696 71 9ms 14 Oct 2025 867th snoozingnewt 🇨🇦 696 71 9ms 29 Nov 2025 873rd msbranicky 696 74 78ms 14 Aug 2023 874th dokutan 694 88 91ms 17 days ago 875th MeWhenI 🇻🇦 694 133 1,642ms 7 Nov 2025 876th xorraxrax 693 68 9ms 19 Oct 2019 876th NewDefectus 🇮🇱 693 68 10ms 1 Nov 2020 876th ydevor 🇮🇱 693 68 9ms 26 Nov 2020 876th jacklynnepenick 693 68 42ms 17 Aug 2021 876th aposteriorist 🇨🇦 693 68 9ms 6 Feb 2022 First Prev 801–880 of 3,130 Next Last