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 222nd edsrzf 🇳🇿 915 75 5ms 11 Apr 2025 227th btnlq 915 80 1ms 11 Jun 2023 227th saito-ta 🇯🇵 915 80 1ms 11 Jun 2023 229th Natanaelel 🇸🇪 913 34 318ms 7 Oct 2021 229th Lydxn 🇨🇦 913 34 278ms 21 Feb 2023 231st primo-ppcg 🇹🇭 913 50 4ms 3 Jul 2023 232nd Lydxn 🇨🇦 913 61 37ms 14 Jun 2022 233rd nwellnhof 🇩🇪 913 93 281ms 6 Jan 2021 233rd Steffan153 🇫🇮 913 93 263ms 9 Aug 2024 235th MeWhenI 🇻🇦 912 47 2,718ms 24 Oct 2024 236th JayXon 🇺🇸 912 68 460ms 28 Feb 2022 236th Lydxn 🇨🇦 912 68 452ms 28 Feb 2022 236th sean-niemann 🇺🇸 912 68 419ms 23 Dec 2024 239th lifthrasiir 🇰🇷 912 77 9ms 11 Dec 2024 239th jared-hughes 912 77 7ms 15 Dec 2024 241st Bubbler-4 911 30 36ms 2 Feb 2022 241st ovs-code 🇩🇪 911 30 32ms 17 Aug 2023 243rd GrayJoKing 🇦🇺 911 53 2ms 10 Sep 2022 243rd Steffan153 🇫🇮 911 53 2ms 19 Aug 2024 245th primo-ppcg 🇹🇭 911 69 119ms 14 Jan 2022 245th Steffan153 🇫🇮 911 69 120ms 25 Apr 2023 247th btnlq 911 78 1ms 7 Nov 2020 248th btnlq 909 61 2ms 5 Nov 2022 249th Steffan153 🇫🇮 908 47 123ms 6 Aug 2024 249th sean-niemann 🇺🇸 908 47 124ms 19 May 2025 251st Lydxn 🇨🇦 908 72 5ms 28 Feb 2023 252nd schachmattmatt 906 52 9ms 11 Aug 2021 253rd MeWhenI 🇻🇦 906 58 4ms 16 Dec 2024 253rd Yewzir 🇧🇪 906 58 4ms 17 Dec 2024 253rd GolfingSuccess 🇬🇷 906 58 4ms 11 Sep 2025 256th Lydxn 🇨🇦 906 76 27ms 28 Jan 2023 256th Steffan153 🇫🇮 906 76 27ms 25 Apr 2023 256th sean-niemann 🇺🇸 906 76 28ms 19 May 2025 259th frankgraziano 905 144 11ms 11 Aug 2025 259th primo-ppcg 🇹🇭 905 144 13ms 13 Aug 2025 259th DialFrost 🇸🇬 905 144 9ms 13 Aug 2025 262nd Lydxn 🇨🇦 904 75 25ms 14 Jun 2022 263rd primo-ppcg 🇹🇭 903 94 275ms 21 Apr 2020 263rd stefangimmillaro 903 94 274ms 21 Aug 2023 263rd sean-niemann 🇺🇸 903 94 266ms 20 Feb 2025 266th canissimia 🇦🇶 903 194 4ms 21 Sep 2021 267th dvargas46 🇺🇸 902 55 47ms 15 Nov 2022 268th primo-ppcg 🇹🇭 900 60 316ms 21 Nov 2021 269th JayXon 🇺🇸 898 62 41ms 20 Aug 2021 270th kg583 🇺🇸 898 71 40ms 31 Aug 2024 271st GrayJoKing 🇦🇺 896 73 2ms 12 Feb 2023 271st Steffan153 🇫🇮 896 73 3ms 1 Nov 2023 273rd Shanethegamer 🇺🇸 895 68 137ms 7 Nov 2025 273rd emgordon154 895 68 101ms 15 days ago 273rd GolfingSuccess 🇬🇷 895 68 115ms 14 days ago 273rd edsrzf 🇳🇿 895 68 106ms 14 days ago 273rd DialFrost 🇸🇬 895 68 90ms 13 days ago 273rd snoozingnewt 🇨🇦 895 68 124ms 12 days ago 273rd sean-niemann 🇺🇸 895 68 99ms 4 days ago 280th tailorspy 895 77 55ms 22 Sep 2024 281st MeWhenI 🇻🇦 893 95 282ms 22 Aug 2023 282nd JayXon 🇺🇸 892 59 1ms 6 Jan 2021 283rd JayXon 🇺🇸 892 76 25ms 17 Apr 2022 283rd m-tkach 🇺🇦 892 76 24ms 9 Mar 2023 285th imrich-nagy 889 53 9ms 7 Sep 2020 286th DialFrost 🇸🇬 889 55 13ms 28 Feb 2025 287th sisyphus-ppcg 🇦🇺 888 58 72ms 13 Dec 2022 288th saito-ta 🇯🇵 887 39 2ms 24 Oct 2023 289th Lydxn 🇨🇦 887 104 1,741ms 22 Apr 2024 289th JayXon 🇺🇸 887 104 1,757ms 22 Apr 2024 291st Shanethegamer 🇺🇸 887 147 10ms 1 Aug 2023 291st MeWhenI 🇻🇦 887 147 9ms 1 Aug 2023 291st Lydxn 🇨🇦 887 147 10ms 1 Aug 2023 291st JayXon 🇺🇸 887 147 9ms 2 Aug 2023 291st Steffan153 🇫🇮 887 147 9ms 2 Aug 2023 291st janbehrens 🇩🇪 887 147 9ms 2 Aug 2023 291st GrayJoKing 🇦🇺 887 147 10ms 11 Aug 2023 291st BREMAUCY 🇫🇷 887 147 10ms 7 Sep 2023 291st dokutan 887 147 9ms 26 Oct 2023 291st Yewzir 🇧🇪 887 147 10ms 12 Mar 2024 First Prev 226–300 of 3,122 Next Last