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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 400th snoozingnewt 🇨🇦 853 65 4ms 1 Sep 2024 400th LostSyntax21 🇬🇧 853 65 2ms 8 Jan 2025 403rd stefangimmillaro 849 64 103ms 15 Jul 2023 404th sisyphus-ppcg 🇦🇺 849 77 2ms 3 Feb 2023 405th emplv 🇱🇻 849 100 266ms 2 Sep 2021 405th Shanethegamer 🇺🇸 849 100 270ms 29 Mar 2023 405th Yewzir 🇧🇪 849 100 267ms 26 Oct 2023 405th emgordon154 849 100 256ms 17 Jan 2025 405th error256 849 100 261ms 15 Feb 2025 405th plcc0 849 100 269ms 21 Mar 2025 405th fuzzylojik-golf 🇺🇸 849 100 255ms 3 Sep 2025 405th CaedenHarper 🇨🇦 849 100 254ms 26 days ago 405th albanian-laundromat 849 100 258ms 9 days ago 414th sean-niemann 🇺🇸 848 27 51ms 22 Jul 2022 414th lynn 848 27 45ms 22 Jul 2022 414th MeWhenI 🇻🇦 848 27 47ms 23 Jul 2022 414th sisyphus-ppcg 🇦🇺 848 27 45ms 24 Jul 2022 414th jared-hughes 848 27 43ms 29 Jul 2022 414th DaCuteRaccoon 848 27 43ms 30 Nov 2022 414th AlephSquirrel 848 27 45ms 30 Dec 2022 414th DialFrost 🇸🇬 848 27 44ms 28 Jan 2023 414th CornerMercury 🇬🇧 848 27 43ms 24 Aug 2023 414th ovs-code 🇩🇪 848 27 172ms 2 Feb 2024 414th snoozingnewt 🇨🇦 848 27 47ms 1 Sep 2024 414th pardouin 🇫🇷 848 27 44ms 21 Sep 2024 414th LostSyntax21 🇬🇧 848 27 44ms 8 Jan 2025 414th edsrzf 🇳🇿 848 27 43ms 9 Mar 2025 414th CaedenHarper 🇨🇦 848 27 43ms 14 Jul 2025 414th fuzzylojik-golf 🇺🇸 848 27 42ms 9 Sep 2025 430th pardouin 🇫🇷 846 26 3ms 14 Apr 2025 431st stefangimmillaro 842 50 118ms 22 Aug 2023 432nd MeWhenI 🇻🇦 841 49 97ms 22 Aug 2023 433rd Irratix 🇳🇱 841 56 9ms 30 Apr 2022 433rd GrayJoKing 🇦🇺 841 56 9ms 7 Jul 2022 433rd Alex-x90 🇺🇸 841 56 9ms 28 Jan 2023 433rd inventshah 841 56 10ms 28 Jan 2023 433rd neel11235813 841 56 9ms 7 Feb 2023 433rd roupiq 🇵🇱 841 56 9ms 18 Feb 2024 433rd Seek64 🇩🇪 841 56 10ms 15 Jul 2024 433rd emgordon154 841 56 10ms 6 Sep 2024 433rd DialFrost 🇸🇬 841 56 12ms 26 Dec 2024 433rd fuzzylojik-golf 🇺🇸 841 56 9ms 9 Jun 2025 433rd duckyluuk 🇳🇱 841 56 9ms 5 Jul 2025 433rd BREMAUCY 🇫🇷 841 56 10ms 26 Jul 2025 433rd snoozingnewt 🇨🇦 841 56 9ms 28 Nov 2025 446th jared-hughes 840 101 260ms 27 Feb 2024 446th edsrzf 🇳🇿 840 101 263ms 26 Oct 2024 446th keelimeguy 🇺🇸 840 101 274ms 28 Apr 2025 449th mcreenan 839 37 162ms 22 Apr 2018 449th ovs-code 🇩🇪 839 37 164ms 31 Dec 2023 451st MeWhenI 🇻🇦 838 74 440ms 5 Mar 2022 452nd the-zammers 836 69 119ms 2 Dec 2024 453rd UnderKoen 🇳🇱 836 85 1ms 1 Jul 2022 453rd sisyphus-ppcg 🇦🇺 836 85 1ms 7 Jul 2022 453rd m-tkach 🇺🇦 836 85 1ms 8 Mar 2023 453rd Lydxn 🇨🇦 836 85 1ms 19 Jul 2023 453rd edsrzf 🇳🇿 836 85 1ms 5 Mar 2025 458th nwellnhof 🇩🇪 833 79 451ms 25 Sep 2025 458th stefangimmillaro 833 79 437ms 6 Oct 2025 458th DialFrost 🇸🇬 833 79 321ms 14 Nov 2025 458th h3ra993huskp 🇯🇵 833 79 459ms 30 Nov 2025 458th ScottHamper 833 79 440ms 30 Nov 2025 458th edsrzf 🇳🇿 833 79 373ms 6 days ago 464th msbranicky 832 102 266ms 8 Sep 2023 464th kkoenig 832 102 259ms 5 Jan 2024 466th AdrienHache 🇫🇷 831 83 56ms 7 Jan 2024 466th sean-niemann 🇺🇸 831 83 55ms 21 Mar 2025 468th stackofbears 828 33 34ms 14 Mar 2025 468th 2bular 828 33 30ms 6 Nov 2025 470th MeWhenI 🇻🇦 827 36 2ms 24 Jul 2021 471st stefangimmillaro 827 76 118ms 4 Oct 2023 472nd AlephSquirrel 827 83 6ms 21 Jan 2023 473rd agschwender 824 103 270ms 21 Apr 2020 473rd JunkIce 824 103 256ms 23 Feb 2025 475th Shanethegamer 🇺🇸 823 66 98ms 13 Mar 2023 476th AdrienHache 🇫🇷 822 64 2ms 7 Jan 2024 477th Shanethegamer 🇺🇸 817 28 48ms 22 Jul 2022 478th GrayJoKing 🇦🇺 816 42 67ms 13 Sep 2023 478th Lydxn 🇨🇦 816 42 65ms 13 Sep 2023 478th Steffan153 🇫🇮 816 42 68ms 15 Sep 2023 First Prev 401–480 of 3,130 Next Last