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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 399th LostSyntax21 🇬🇧 853 65 2ms 8 Jan 2025 402nd stefangimmillaro 849 64 103ms 15 Jul 2023 403rd sisyphus-ppcg 🇦🇺 849 77 2ms 3 Feb 2023 404th emplv 🇱🇻 849 100 266ms 2 Sep 2021 404th Shanethegamer 🇺🇸 849 100 270ms 29 Mar 2023 404th Yewzir 🇧🇪 849 100 267ms 26 Oct 2023 404th emgordon154 849 100 256ms 17 Jan 2025 404th error256 849 100 261ms 15 Feb 2025 404th plcc0 849 100 269ms 21 Mar 2025 404th fuzzylojik-golf 🇺🇸 849 100 255ms 3 Sep 2025 404th CaedenHarper 🇨🇦 849 100 254ms 19 days ago 404th albanian-laundromat 849 100 279ms 2 days ago 413th sean-niemann 🇺🇸 848 27 44ms 22 Jul 2022 413th lynn 848 27 47ms 22 Jul 2022 413th MeWhenI 🇻🇦 848 27 50ms 23 Jul 2022 413th sisyphus-ppcg 🇦🇺 848 27 53ms 24 Jul 2022 413th jared-hughes 848 27 53ms 29 Jul 2022 413th DaCuteRaccoon 848 27 48ms 30 Nov 2022 413th AlephSquirrel 848 27 54ms 30 Dec 2022 413th DialFrost 🇸🇬 848 27 44ms 28 Jan 2023 413th CornerMercury 🇬🇧 848 27 46ms 24 Aug 2023 413th ovs-code 🇩🇪 848 27 160ms 2 Feb 2024 413th snoozingnewt 🇨🇦 848 27 50ms 1 Sep 2024 413th pardouin 🇫🇷 848 27 43ms 21 Sep 2024 413th LostSyntax21 🇬🇧 848 27 43ms 8 Jan 2025 413th edsrzf 🇳🇿 848 27 45ms 9 Mar 2025 413th CaedenHarper 🇨🇦 848 27 42ms 14 Jul 2025 413th fuzzylojik-golf 🇺🇸 848 27 45ms 9 Sep 2025 429th pardouin 🇫🇷 846 26 3ms 14 Apr 2025 430th stefangimmillaro 842 50 118ms 22 Aug 2023 431st MeWhenI 🇻🇦 841 49 97ms 22 Aug 2023 432nd Irratix 🇳🇱 841 56 9ms 30 Apr 2022 432nd GrayJoKing 🇦🇺 841 56 9ms 7 Jul 2022 432nd Alex-x90 🇺🇸 841 56 9ms 28 Jan 2023 432nd inventshah 841 56 10ms 28 Jan 2023 432nd neel11235813 841 56 9ms 7 Feb 2023 432nd roupiq 🇵🇱 841 56 9ms 18 Feb 2024 432nd Seek64 🇩🇪 841 56 10ms 15 Jul 2024 432nd emgordon154 841 56 10ms 6 Sep 2024 432nd DialFrost 🇸🇬 841 56 12ms 26 Dec 2024 432nd fuzzylojik-golf 🇺🇸 841 56 9ms 9 Jun 2025 432nd duckyluuk 🇳🇱 841 56 9ms 5 Jul 2025 432nd BREMAUCY 🇫🇷 841 56 10ms 26 Jul 2025 432nd snoozingnewt 🇨🇦 841 56 9ms 25 days ago 445th jared-hughes 840 101 260ms 27 Feb 2024 445th edsrzf 🇳🇿 840 101 263ms 26 Oct 2024 445th keelimeguy 🇺🇸 840 101 274ms 28 Apr 2025 448th mcreenan 839 37 197ms 22 Apr 2018 448th ovs-code 🇩🇪 839 37 173ms 31 Dec 2023 450th MeWhenI 🇻🇦 838 74 440ms 5 Mar 2022 451st the-zammers 836 69 119ms 2 Dec 2024 452nd UnderKoen 🇳🇱 836 85 1ms 1 Jul 2022 452nd sisyphus-ppcg 🇦🇺 836 85 1ms 7 Jul 2022 452nd m-tkach 🇺🇦 836 85 1ms 8 Mar 2023 452nd Lydxn 🇨🇦 836 85 1ms 19 Jul 2023 452nd edsrzf 🇳🇿 836 85 1ms 5 Mar 2025 457th nwellnhof 🇩🇪 832 79 451ms 25 Sep 2025 457th stefangimmillaro 832 79 437ms 6 Oct 2025 457th DialFrost 🇸🇬 832 79 321ms 14 Nov 2025 457th h3ra993huskp 🇯🇵 832 79 459ms 24 days ago 457th ScottHamper 832 79 440ms 23 days ago 462nd msbranicky 832 102 266ms 8 Sep 2023 462nd kkoenig 832 102 259ms 5 Jan 2024 464th AdrienHache 🇫🇷 831 83 56ms 7 Jan 2024 464th sean-niemann 🇺🇸 831 83 55ms 21 Mar 2025 466th stackofbears 828 33 34ms 14 Mar 2025 466th 2bular 828 33 30ms 6 Nov 2025 468th MeWhenI 🇻🇦 827 36 2ms 24 Jul 2021 469th stefangimmillaro 827 76 118ms 4 Oct 2023 470th AlephSquirrel 827 83 6ms 21 Jan 2023 471st agschwender 824 103 270ms 21 Apr 2020 471st JunkIce 824 103 256ms 23 Feb 2025 473rd Shanethegamer 🇺🇸 823 66 98ms 13 Mar 2023 474th AdrienHache 🇫🇷 822 64 2ms 7 Jan 2024 475th Shanethegamer 🇺🇸 817 28 49ms 22 Jul 2022 476th GrayJoKing 🇦🇺 816 42 67ms 13 Sep 2023 476th Lydxn 🇨🇦 816 42 65ms 13 Sep 2023 476th Steffan153 🇫🇮 816 42 69ms 15 Sep 2023 476th primo-ppcg 🇹🇭 816 42 67ms 16 Sep 2023 476th MeWhenI 🇻🇦 816 42 66ms 2 Nov 2023 First Prev 401–480 of 3,123 Next Last