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Happy Numbers in all languages in bytes. 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 201st nwellnhof 🇩🇪 943 108 337ms 17 Oct 2020 201st JayXon 🇺🇸 943 108 319ms 9 Jul 2021 201st Lydxn 🇨🇦 943 108 325ms 9 Jul 2021 201st MeWhenI 🇻🇦 943 108 301ms 4 Nov 2021 201st sisyphus-ppcg 🇦🇺 943 108 332ms 16 Mar 2022 201st stefangimmillaro 943 108 351ms 12 Jun 2023 201st edsrzf 🇳🇿 943 108 316ms 24 Feb 2026 208th saito-ta 🇯🇵 942 53 31ms 29 Jul 2024 209th nwellnhof 🇩🇪 941 40 342ms 4 Oct 2020 210th GrayJoKing 🇦🇺 941 53 1,365ms 13 Sep 2021 210th Lydxn 🇨🇦 941 53 1,349ms 13 Sep 2021 210th JayXon 🇺🇸 941 53 1,363ms 20 Sep 2021 210th primo-ppcg 🇹🇭 941 53 1,506ms 22 Sep 2021 210th sisyphus-ppcg 🇦🇺 941 53 1,372ms 3 Feb 2022 210th Steffan153 🇫🇮 941 53 1,378ms 27 Mar 2023 210th stefangimmillaro 941 53 1,380ms 14 Apr 2023 210th pardouin 🇫🇷 941 53 1,585ms 13 Apr 2025 210th sean-niemann 🇺🇸 941 53 1,437ms 13 Apr 2025 219th Bubbler-4 940 49 65ms 13 Sep 2023 219th GrayJoKing 🇦🇺 940 49 68ms 13 Sep 2023 219th Lydxn 🇨🇦 940 49 62ms 13 Sep 2023 219th ovs-code 🇩🇪 940 49 63ms 13 Sep 2023 219th Steffan153 🇫🇮 940 49 66ms 15 Sep 2023 219th primo-ppcg 🇹🇭 940 49 64ms 16 Sep 2023 219th Kacarott 🇦🇺 940 49 65ms 24 Nov 2023 219th error256 940 49 68ms 13 May 2024 219th pardouin 🇫🇷 940 49 62ms 24 Aug 2024 219th sean-niemann 🇺🇸 940 49 60ms 7 Apr 2025 219th DialFrost 🇸🇬 940 49 62ms 8 Apr 2025 230th JayXon 🇺🇸 939 76 7ms 26 Nov 2021 231st sean-niemann 🇺🇸 937 89 449ms 24 Sep 2025 231st JayXon 🇺🇸 937 89 486ms 24 Sep 2025 231st nwellnhof 🇩🇪 937 89 446ms 25 Sep 2025 231st stefangimmillaro 937 89 512ms 6 Oct 2025 231st MeWhenI 🇻🇦 937 89 502ms 7 Nov 2025 231st DialFrost 🇸🇬 937 89 516ms 14 Nov 2025 231st h3ra993huskp 🇯🇵 937 89 516ms 30 Nov 2025 231st ScottHamper 937 89 444ms 30 Nov 2025 231st Lydxn 🇨🇦 937 89 494ms 12 Dec 2025 231st edsrzf 🇳🇿 937 89 440ms 25 Dec 2025 231st Steffan153 🇫🇮 937 89 518ms 11 Feb 2026 242nd Lydxn 🇨🇦 936 87 120ms 13 Jan 2022 242nd JayXon 🇺🇸 936 87 120ms 14 Jan 2022 242nd lynn 936 87 129ms 7 Jul 2024 242nd DialFrost 🇸🇬 936 87 126ms 4 Apr 2025 242nd acotis 936 87 129ms 15 Apr 2025 242nd emgordon154 936 87 126ms 18 Apr 2025 242nd ovs-code 🇩🇪 936 87 127ms 20 Apr 2025 242nd pardouin 🇫🇷 936 87 128ms 20 Apr 2025 242nd stefangimmillaro 936 87 126ms 18 May 2025 242nd sean-niemann 🇺🇸 936 87 128ms 6 Jun 2025 242nd kumavale 936 87 126ms 17 Aug 2025 242nd Steffan153 🇫🇮 936 87 122ms 16 Feb 2026 242nd vang1ong7ang 936 87 168ms 21 hours ago 255th SnowballSH 935 65 10ms 31 Jan 2021 255th Larspolo 935 65 10ms 19 Jun 2021 255th jared-hughes 935 65 11ms 29 Oct 2021 255th falsidge 935 65 9ms 21 Jun 2023 255th Babafaba 935 65 12ms 5 Nov 2025 255th madex 🇩🇪 935 65 9ms 16 days ago 261st primo-ppcg 🇹🇭 934 53 220ms 20 Oct 2020 261st prplz 🇦🇺 934 53 252ms 20 Oct 2020 261st btnlq 934 53 255ms 13 Dec 2020 261st JayXon 🇺🇸 934 53 246ms 28 Jun 2021 261st nwellnhof 🇩🇪 934 53 250ms 27 Dec 2021 261st sisyphus-ppcg 🇦🇺 934 53 260ms 15 Aug 2022 261st stefangimmillaro 934 53 216ms 22 Aug 2022 261st MeWhenI 🇻🇦 934 53 250ms 29 Jan 2023 261st Steffan153 🇫🇮 934 53 224ms 29 Jan 2023 261st SirBogman 🇺🇸 934 53 254ms 8 Jan 2024 261st DialFrost 🇸🇬 934 53 226ms 26 Dec 2024 261st sean-niemann 🇺🇸 934 53 211ms 6 Apr 2025 273rd JayXon 🇺🇸 933 72 1ms 9 Jul 2021 273rd Lydxn 🇨🇦 933 72 1ms 9 Jul 2021 273rd sisyphus-ppcg 🇦🇺 933 72 1ms 16 Mar 2022 273rd GrayJoKing 🇦🇺 933 72 1ms 9 Apr 2022 273rd btnlq 933 72 1ms 28 Dec 2022 273rd Steffan153 🇫🇮 933 72 2ms 26 Feb 2026 279th lyphyser 932 51 59ms 26 Dec 2023 279th AdrienHache 🇫🇷 932 51 61ms 29 Aug 2024 281st flawr 932 73 136ms 24 Feb 2019 281st GrayJoKing 🇦🇺 932 73 136ms 5 Dec 2020 281st Shanethegamer 🇺🇸 932 73 140ms 15 Jul 2021 281st yzhs 🇩🇪 932 73 140ms 24 Jul 2021 281st sean-niemann 🇺🇸 932 73 132ms 7 Sep 2021 281st MeWhenI 🇻🇦 932 73 139ms 15 Sep 2021 281st sisyphus-ppcg 🇦🇺 932 73 140ms 16 Mar 2022 281st Lydxn 🇨🇦 932 73 139ms 4 Jul 2022 281st DaCuteRaccoon 932 73 136ms 30 Nov 2022 281st DialFrost 🇸🇬 932 73 142ms 28 Jan 2023 281st Steffan153 🇫🇮 932 73 137ms 28 Jan 2023 281st pardouin 🇫🇷 932 73 147ms 21 Sep 2024 281st LostSyntax21 🇬🇧 932 73 152ms 8 Jan 2025 281st snoozingnewt 🇨🇦 932 73 148ms 5 Dec 2025 281st edsrzf 🇳🇿 932 73 147ms 24 Dec 2025 296th HPWiz 🇳🇿 931 53 56ms 18 Mar 2022 297th sean-niemann 🇺🇸 931 60 2ms 29 Oct 2022 297th Lydxn 🇨🇦 931 60 2ms 30 Oct 2022 297th sisyphus-ppcg 🇦🇺 931 60 2ms 3 Nov 2022 297th primo-ppcg 🇹🇭 931 60 4ms 19 Nov 2022 First Prev 201–300 of 3,243 Next Last