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 Lily 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 Lily 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 397th Steffan153 🇫🇮 859 59 1ms 25 Apr 2023 402nd btnlq 856 45 4ms 22 Oct 2023 403rd HPWiz 🇳🇿 854 32 50ms 17 Aug 2023 404th DaCuteRaccoon 854 65 2ms 30 Nov 2022 404th snoozingnewt 🇨🇦 854 65 4ms 1 Sep 2024 404th LostSyntax21 🇬🇧 854 65 2ms 8 Jan 2025 407th emgordon154 853 51 474ms 13 Apr 2025 407th CaedenHarper 🇨🇦 853 51 379ms 29 Jul 2025 409th stefangimmillaro 849 64 129ms 15 Jul 2023 410th sisyphus-ppcg 🇦🇺 849 77 3ms 3 Feb 2023 411th emplv 🇱🇻 849 100 320ms 2 Sep 2021 411th Shanethegamer 🇺🇸 849 100 294ms 29 Mar 2023 411th Yewzir 🇧🇪 849 100 302ms 26 Oct 2023 411th emgordon154 849 100 291ms 17 Jan 2025 411th error256 849 100 300ms 15 Feb 2025 411th plcc0 849 100 309ms 21 Mar 2025 411th fuzzylojik-golf 🇺🇸 849 100 337ms 3 Sep 2025 411th CaedenHarper 🇨🇦 849 100 360ms 4 Dec 2025 411th albanian-laundromat 849 100 305ms 22 Dec 2025 420th sean-niemann 🇺🇸 848 27 46ms 22 Jul 2022 420th lynn 848 27 45ms 22 Jul 2022 420th MeWhenI 🇻🇦 848 27 43ms 23 Jul 2022 420th sisyphus-ppcg 🇦🇺 848 27 40ms 24 Jul 2022 420th jared-hughes 848 27 40ms 29 Jul 2022 420th DaCuteRaccoon 848 27 41ms 30 Nov 2022 420th AlephSquirrel 848 27 44ms 30 Dec 2022 420th DialFrost 🇸🇬 848 27 43ms 28 Jan 2023 420th CornerMercury 🇬🇧 848 27 40ms 24 Aug 2023 420th ovs-code 🇩🇪 848 27 175ms 2 Feb 2024 420th snoozingnewt 🇨🇦 848 27 41ms 1 Sep 2024 420th pardouin 🇫🇷 848 27 40ms 21 Sep 2024 420th LostSyntax21 🇬🇧 848 27 45ms 8 Jan 2025 420th edsrzf 🇳🇿 848 27 44ms 9 Mar 2025 420th CaedenHarper 🇨🇦 848 27 47ms 14 Jul 2025 420th fuzzylojik-golf 🇺🇸 848 27 44ms 9 Sep 2025 436th pardouin 🇫🇷 846 26 3ms 14 Apr 2025 437th stefangimmillaro 842 50 118ms 22 Aug 2023 438th MeWhenI 🇻🇦 841 49 108ms 22 Aug 2023 439th Irratix 🇳🇱 841 56 9ms 30 Apr 2022 439th GrayJoKing 🇦🇺 841 56 9ms 7 Jul 2022 439th Alex-x90 🇺🇸 841 56 9ms 28 Jan 2023 439th inventshah 841 56 9ms 28 Jan 2023 439th neel11235813 841 56 9ms 7 Feb 2023 439th roupiq 🇵🇱 841 56 10ms 18 Feb 2024 439th Seek64 🇩🇪 841 56 10ms 15 Jul 2024 439th emgordon154 841 56 10ms 6 Sep 2024 439th DialFrost 🇸🇬 841 56 10ms 26 Dec 2024 439th duckyluuk 🇳🇱 841 56 10ms 5 Jul 2025 439th BREMAUCY 🇫🇷 841 56 10ms 26 Jul 2025 439th snoozingnewt 🇨🇦 841 56 11ms 28 Nov 2025 451st jared-hughes 841 101 392ms 27 Feb 2024 451st edsrzf 🇳🇿 841 101 297ms 26 Oct 2024 451st keelimeguy 🇺🇸 841 101 288ms 28 Apr 2025 454th mcreenan 839 37 146ms 22 Apr 2018 454th ovs-code 🇩🇪 839 37 143ms 31 Dec 2023 456th MeWhenI 🇻🇦 838 74 440ms 5 Mar 2022 457th the-zammers 836 69 119ms 2 Dec 2024 458th UnderKoen 🇳🇱 836 85 1ms 1 Jul 2022 458th sisyphus-ppcg 🇦🇺 836 85 1ms 7 Jul 2022 458th m-tkach 🇺🇦 836 85 1ms 8 Mar 2023 458th Lydxn 🇨🇦 836 85 1ms 19 Jul 2023 458th edsrzf 🇳🇿 836 85 2ms 5 Mar 2025 463rd nwellnhof 🇩🇪 833 79 451ms 25 Sep 2025 463rd stefangimmillaro 833 79 472ms 6 Oct 2025 463rd DialFrost 🇸🇬 833 79 413ms 14 Nov 2025 463rd h3ra993huskp 🇯🇵 833 79 497ms 30 Nov 2025 463rd ScottHamper 833 79 451ms 30 Nov 2025 463rd edsrzf 🇳🇿 833 79 525ms 25 Dec 2025 469th msbranicky 833 102 285ms 8 Sep 2023 469th kkoenig 833 102 297ms 5 Jan 2024 471st AdrienHache 🇫🇷 831 83 56ms 7 Jan 2024 471st sean-niemann 🇺🇸 831 83 55ms 21 Mar 2025 473rd stackofbears 828 33 34ms 14 Mar 2025 474th MeWhenI 🇻🇦 827 36 2ms 24 Jul 2021 475th stefangimmillaro 827 76 124ms 4 Oct 2023 476th AlephSquirrel 827 83 6ms 21 Jan 2023 477th agschwender 824 103 292ms 21 Apr 2020 477th JunkIce 824 103 282ms 23 Feb 2025 479th Shanethegamer 🇺🇸 823 66 121ms 13 Mar 2023 480th AdrienHache 🇫🇷 822 64 2ms 7 Jan 2024 First Prev 401–480 of 3,156 Next Last