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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 401st primo-ppcg 🇹🇭 860 49 123ms 18 Jun 2019 401st Steffan153 🇫🇮 860 49 131ms 25 Apr 2023 403rd primo-ppcg 🇹🇭 859 48 105ms 25 Dec 2020 403rd sisyphus-ppcg 🇦🇺 859 48 108ms 8 Jun 2021 405th primo-ppcg 🇹🇭 859 59 1ms 15 Feb 2020 405th DaDerpDuck 859 59 1ms 26 Jan 2021 405th Waffle3z 859 59 1ms 26 Jan 2021 405th sisyphus-ppcg 🇦🇺 859 59 1ms 8 Jun 2021 409th btnlq 856 45 3ms 22 Oct 2023 410th HPWiz 🇳🇿 854 32 50ms 17 Aug 2023 411th DaCuteRaccoon 854 65 2ms 30 Nov 2022 411th snoozingnewt 🇨🇦 854 65 4ms 1 Sep 2024 411th LostSyntax21 🇬🇧 854 65 2ms 8 Jan 2025 414th emgordon154 853 51 450ms 13 Apr 2025 414th CaedenHarper 🇨🇦 853 51 379ms 29 Jul 2025 416th stefangimmillaro 849 64 107ms 15 Jul 2023 417th sisyphus-ppcg 🇦🇺 849 77 3ms 3 Feb 2023 418th emplv 🇱🇻 849 100 285ms 2 Sep 2021 418th Shanethegamer 🇺🇸 849 100 290ms 29 Mar 2023 418th Yewzir 🇧🇪 849 100 293ms 26 Oct 2023 418th emgordon154 849 100 306ms 17 Jan 2025 418th error256 849 100 297ms 15 Feb 2025 418th plcc0 849 100 321ms 21 Mar 2025 418th fuzzylojik-golf 🇺🇸 849 100 312ms 3 Sep 2025 418th CaedenHarper 🇨🇦 849 100 291ms 4 Dec 2025 418th albanian-laundromat 849 100 296ms 22 Dec 2025 427th sean-niemann 🇺🇸 848 27 46ms 22 Jul 2022 427th lynn 848 27 45ms 22 Jul 2022 427th MeWhenI 🇻🇦 848 27 43ms 23 Jul 2022 427th sisyphus-ppcg 🇦🇺 848 27 40ms 24 Jul 2022 427th jared-hughes 848 27 40ms 29 Jul 2022 427th DaCuteRaccoon 848 27 41ms 30 Nov 2022 427th AlephSquirrel 848 27 44ms 30 Dec 2022 427th DialFrost 🇸🇬 848 27 43ms 28 Jan 2023 427th CornerMercury 🇬🇧 848 27 40ms 24 Aug 2023 427th ovs-code 🇩🇪 848 27 169ms 2 Feb 2024 427th snoozingnewt 🇨🇦 848 27 41ms 1 Sep 2024 427th pardouin 🇫🇷 848 27 40ms 21 Sep 2024 427th LostSyntax21 🇬🇧 848 27 45ms 8 Jan 2025 427th edsrzf 🇳🇿 848 27 44ms 9 Mar 2025 427th CaedenHarper 🇨🇦 848 27 46ms 14 Jul 2025 427th fuzzylojik-golf 🇺🇸 848 27 42ms 9 Sep 2025 443rd pardouin 🇫🇷 846 26 3ms 14 Apr 2025 444th stefangimmillaro 842 50 124ms 22 Aug 2023 445th MeWhenI 🇻🇦 841 49 105ms 22 Aug 2023 446th Irratix 🇳🇱 841 56 9ms 30 Apr 2022 446th GrayJoKing 🇦🇺 841 56 9ms 7 Jul 2022 446th Alex-x90 🇺🇸 841 56 9ms 28 Jan 2023 446th inventshah 841 56 9ms 28 Jan 2023 446th neel11235813 841 56 9ms 7 Feb 2023 446th roupiq 🇵🇱 841 56 9ms 18 Feb 2024 446th Seek64 🇩🇪 841 56 10ms 15 Jul 2024 446th emgordon154 841 56 10ms 6 Sep 2024 446th DialFrost 🇸🇬 841 56 10ms 26 Dec 2024 446th duckyluuk 🇳🇱 841 56 10ms 5 Jul 2025 446th BREMAUCY 🇫🇷 841 56 10ms 26 Jul 2025 446th snoozingnewt 🇨🇦 841 56 9ms 28 Nov 2025 446th Flekay 🇩🇪 841 56 9ms 18 days ago 446th FoxInTheClouds 841 56 10ms 15 days ago 446th dokutan 841 56 10ms 12 days ago 461st jared-hughes 841 101 307ms 27 Feb 2024 461st edsrzf 🇳🇿 841 101 297ms 26 Oct 2024 461st keelimeguy 🇺🇸 841 101 282ms 28 Apr 2025 464th mcreenan 839 37 216ms 22 Apr 2018 464th ovs-code 🇩🇪 839 37 156ms 31 Dec 2023 466th MeWhenI 🇻🇦 838 74 456ms 5 Mar 2022 467th the-zammers 836 69 115ms 2 Dec 2024 468th UnderKoen 🇳🇱 836 85 1ms 1 Jul 2022 468th sisyphus-ppcg 🇦🇺 836 85 1ms 7 Jul 2022 468th m-tkach 🇺🇦 836 85 1ms 8 Mar 2023 468th Lydxn 🇨🇦 836 85 1ms 19 Jul 2023 468th edsrzf 🇳🇿 836 85 2ms 5 Mar 2025 473rd nwellnhof 🇩🇪 833 79 451ms 25 Sep 2025 473rd stefangimmillaro 833 79 472ms 6 Oct 2025 473rd DialFrost 🇸🇬 833 79 413ms 14 Nov 2025 473rd h3ra993huskp 🇯🇵 833 79 491ms 30 Nov 2025 473rd ScottHamper 833 79 451ms 30 Nov 2025 473rd edsrzf 🇳🇿 833 79 511ms 25 Dec 2025 479th msbranicky 833 102 272ms 8 Sep 2023 479th kkoenig 833 102 274ms 5 Jan 2024 First Prev 401–480 of 3,178 Next Last