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 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 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 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 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 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 401st HPWiz 🇳🇿 854 32 50ms 17 Aug 2023 402nd DaCuteRaccoon 854 65 2ms 30 Nov 2022 402nd snoozingnewt 🇨🇦 854 65 4ms 1 Sep 2024 402nd LostSyntax21 🇬🇧 854 65 2ms 8 Jan 2025 405th emgordon154 853 51 364ms 13 Apr 2025 405th CaedenHarper 🇨🇦 853 51 379ms 29 Jul 2025 407th stefangimmillaro 849 64 110ms 15 Jul 2023 408th sisyphus-ppcg 🇦🇺 849 77 2ms 3 Feb 2023 409th emplv 🇱🇻 849 100 253ms 2 Sep 2021 409th Shanethegamer 🇺🇸 849 100 243ms 29 Mar 2023 409th Yewzir 🇧🇪 849 100 256ms 26 Oct 2023 409th emgordon154 849 100 255ms 17 Jan 2025 409th error256 849 100 246ms 15 Feb 2025 409th plcc0 849 100 248ms 21 Mar 2025 409th fuzzylojik-golf 🇺🇸 849 100 245ms 3 Sep 2025 409th CaedenHarper 🇨🇦 849 100 246ms 4 Dec 2025 409th albanian-laundromat 849 100 257ms 25 days ago 418th sean-niemann 🇺🇸 848 27 46ms 22 Jul 2022 418th lynn 848 27 45ms 22 Jul 2022 418th MeWhenI 🇻🇦 848 27 43ms 23 Jul 2022 418th sisyphus-ppcg 🇦🇺 848 27 40ms 24 Jul 2022 418th jared-hughes 848 27 40ms 29 Jul 2022 418th DaCuteRaccoon 848 27 41ms 30 Nov 2022 418th AlephSquirrel 848 27 44ms 30 Dec 2022 418th DialFrost 🇸🇬 848 27 43ms 28 Jan 2023 418th CornerMercury 🇬🇧 848 27 40ms 24 Aug 2023 418th ovs-code 🇩🇪 848 27 175ms 2 Feb 2024 418th snoozingnewt 🇨🇦 848 27 41ms 1 Sep 2024 418th pardouin 🇫🇷 848 27 40ms 21 Sep 2024 418th LostSyntax21 🇬🇧 848 27 45ms 8 Jan 2025 418th edsrzf 🇳🇿 848 27 44ms 9 Mar 2025 418th CaedenHarper 🇨🇦 848 27 47ms 14 Jul 2025 418th fuzzylojik-golf 🇺🇸 848 27 44ms 9 Sep 2025 434th pardouin 🇫🇷 846 26 3ms 14 Apr 2025 435th stefangimmillaro 842 50 118ms 22 Aug 2023 436th MeWhenI 🇻🇦 841 49 108ms 22 Aug 2023 437th Irratix 🇳🇱 841 56 9ms 30 Apr 2022 437th GrayJoKing 🇦🇺 841 56 9ms 7 Jul 2022 437th Alex-x90 🇺🇸 841 56 9ms 28 Jan 2023 437th inventshah 841 56 10ms 28 Jan 2023 437th neel11235813 841 56 9ms 7 Feb 2023 437th roupiq 🇵🇱 841 56 9ms 18 Feb 2024 437th Seek64 🇩🇪 841 56 10ms 15 Jul 2024 437th emgordon154 841 56 10ms 6 Sep 2024 437th DialFrost 🇸🇬 841 56 12ms 26 Dec 2024 437th duckyluuk 🇳🇱 841 56 9ms 5 Jul 2025 437th BREMAUCY 🇫🇷 841 56 10ms 26 Jul 2025 437th snoozingnewt 🇨🇦 841 56 9ms 28 Nov 2025 449th jared-hughes 840 101 237ms 27 Feb 2024 449th edsrzf 🇳🇿 840 101 238ms 26 Oct 2024 449th keelimeguy 🇺🇸 840 101 257ms 28 Apr 2025 452nd mcreenan 839 37 162ms 22 Apr 2018 452nd ovs-code 🇩🇪 839 37 155ms 31 Dec 2023 454th MeWhenI 🇻🇦 838 74 440ms 5 Mar 2022 455th the-zammers 836 69 119ms 2 Dec 2024 456th UnderKoen 🇳🇱 836 85 1ms 1 Jul 2022 456th sisyphus-ppcg 🇦🇺 836 85 1ms 7 Jul 2022 456th m-tkach 🇺🇦 836 85 1ms 8 Mar 2023 456th Lydxn 🇨🇦 836 85 1ms 19 Jul 2023 456th edsrzf 🇳🇿 836 85 2ms 5 Mar 2025 461st nwellnhof 🇩🇪 833 79 451ms 25 Sep 2025 461st stefangimmillaro 833 79 437ms 6 Oct 2025 461st DialFrost 🇸🇬 833 79 321ms 14 Nov 2025 461st h3ra993huskp 🇯🇵 833 79 459ms 30 Nov 2025 461st ScottHamper 833 79 440ms 30 Nov 2025 461st edsrzf 🇳🇿 833 79 373ms 22 days ago 467th msbranicky 832 102 248ms 8 Sep 2023 467th kkoenig 832 102 249ms 5 Jan 2024 469th AdrienHache 🇫🇷 831 83 56ms 7 Jan 2024 469th sean-niemann 🇺🇸 831 83 55ms 21 Mar 2025 471st stackofbears 828 33 34ms 14 Mar 2025 471st 2bular 828 33 30ms 6 Nov 2025 473rd MeWhenI 🇻🇦 827 36 2ms 24 Jul 2021 474th stefangimmillaro 827 76 118ms 4 Oct 2023 475th AlephSquirrel 827 83 6ms 21 Jan 2023 476th agschwender 824 103 242ms 21 Apr 2020 476th JunkIce 824 103 244ms 23 Feb 2025 478th Shanethegamer 🇺🇸 823 66 110ms 13 Mar 2023 479th AdrienHache 🇫🇷 822 64 2ms 7 Jan 2024 480th Shanethegamer 🇺🇸 817 28 45ms 22 Jul 2022 First Prev 401–480 of 3,142 Next Last