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 373rd nwellnhof 🇩🇪 867 57 9ms 27 Jan 2021 377th prplz 🇦🇺 865 40 2ms 6 Mar 2020 378th SirBogman 🇺🇸 862 36 211ms 28 Aug 2019 379th prplz 🇦🇺 862 61 2ms 12 Mar 2019 379th sisyphus-ppcg 🇦🇺 862 61 2ms 12 Jan 2021 381st nwellnhof 🇩🇪 862 80 51ms 18 Jan 2022 382nd ovs-code 🇩🇪 861 67 109ms 4 Jul 2022 383rd m-tkach 🇺🇦 861 80 27ms 5 Dec 2023 384th primo-ppcg 🇹🇭 860 49 120ms 18 Jun 2019 384th Steffan153 🇫🇮 860 49 119ms 25 Apr 2023 386th primo-ppcg 🇹🇭 860 59 1ms 15 Feb 2020 386th DaDerpDuck 860 59 1ms 26 Jan 2021 386th Waffle3z 860 59 1ms 26 Jan 2021 386th sisyphus-ppcg 🇦🇺 860 59 1ms 8 Jun 2021 386th Steffan153 🇫🇮 860 59 1ms 25 Apr 2023 391st primo-ppcg 🇹🇭 859 48 99ms 25 Dec 2020 391st sisyphus-ppcg 🇦🇺 859 48 99ms 8 Jun 2021 393rd btnlq 856 45 4ms 22 Oct 2023 394th HPWiz 🇳🇿 854 32 50ms 17 Aug 2023 395th emgordon154 853 51 339ms 13 Apr 2025 395th CaedenHarper 🇨🇦 853 51 330ms 29 Jul 2025 397th DaCuteRaccoon 853 65 2ms 30 Nov 2022 397th snoozingnewt 🇨🇦 853 65 4ms 1 Sep 2024 397th LostSyntax21 🇬🇧 853 65 2ms 8 Jan 2025 400th stefangimmillaro 849 64 101ms 15 Jul 2023 401st sisyphus-ppcg 🇦🇺 849 77 2ms 3 Feb 2023 402nd emplv 🇱🇻 849 100 266ms 2 Sep 2021 402nd Shanethegamer 🇺🇸 849 100 270ms 29 Mar 2023 402nd Yewzir 🇧🇪 849 100 267ms 26 Oct 2023 402nd emgordon154 849 100 256ms 17 Jan 2025 402nd error256 849 100 261ms 15 Feb 2025 402nd plcc0 849 100 269ms 21 Mar 2025 402nd fuzzylojik-golf 🇺🇸 849 100 255ms 3 Sep 2025 402nd CaedenHarper 🇨🇦 849 100 254ms 4 days ago 410th sean-niemann 🇺🇸 848 27 44ms 22 Jul 2022 410th lynn 848 27 43ms 22 Jul 2022 410th MeWhenI 🇻🇦 848 27 42ms 23 Jul 2022 410th sisyphus-ppcg 🇦🇺 848 27 41ms 24 Jul 2022 410th jared-hughes 848 27 41ms 29 Jul 2022 410th DaCuteRaccoon 848 27 40ms 30 Nov 2022 410th AlephSquirrel 848 27 41ms 30 Dec 2022 410th DialFrost 🇸🇬 848 27 42ms 28 Jan 2023 410th CornerMercury 🇬🇧 848 27 43ms 24 Aug 2023 410th ovs-code 🇩🇪 848 27 163ms 2 Feb 2024 410th snoozingnewt 🇨🇦 848 27 39ms 1 Sep 2024 410th pardouin 🇫🇷 848 27 40ms 21 Sep 2024 410th LostSyntax21 🇬🇧 848 27 39ms 8 Jan 2025 410th edsrzf 🇳🇿 848 27 46ms 9 Mar 2025 410th CaedenHarper 🇨🇦 848 27 43ms 14 Jul 2025 410th fuzzylojik-golf 🇺🇸 848 27 40ms 9 Sep 2025 426th pardouin 🇫🇷 846 26 3ms 14 Apr 2025 427th stefangimmillaro 842 50 118ms 22 Aug 2023 428th MeWhenI 🇻🇦 841 49 97ms 22 Aug 2023 429th Irratix 🇳🇱 841 56 9ms 30 Apr 2022 429th GrayJoKing 🇦🇺 841 56 9ms 7 Jul 2022 429th Alex-x90 🇺🇸 841 56 9ms 28 Jan 2023 429th inventshah 841 56 10ms 28 Jan 2023 429th neel11235813 841 56 9ms 7 Feb 2023 429th roupiq 🇵🇱 841 56 9ms 18 Feb 2024 429th Seek64 🇩🇪 841 56 10ms 15 Jul 2024 429th emgordon154 841 56 10ms 6 Sep 2024 429th DialFrost 🇸🇬 841 56 12ms 26 Dec 2024 429th fuzzylojik-golf 🇺🇸 841 56 9ms 9 Jun 2025 429th duckyluuk 🇳🇱 841 56 9ms 5 Jul 2025 429th BREMAUCY 🇫🇷 841 56 10ms 26 Jul 2025 429th snoozingnewt 🇨🇦 841 56 9ms 11 days ago 442nd jared-hughes 840 101 260ms 27 Feb 2024 442nd edsrzf 🇳🇿 840 101 263ms 26 Oct 2024 442nd keelimeguy 🇺🇸 840 101 274ms 28 Apr 2025 442nd albanian-laundromat 840 101 247ms 5 days ago 446th mcreenan 839 37 266ms 22 Apr 2018 446th ovs-code 🇩🇪 839 37 157ms 31 Dec 2023 448th MeWhenI 🇻🇦 838 74 440ms 5 Mar 2022 449th GrayJoKing 🇦🇺 837 42 67ms 13 Sep 2023 449th Lydxn 🇨🇦 837 42 65ms 13 Sep 2023 First Prev 376–450 of 3,122 Next Last