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 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 Bytes Time Submitted 451st Lydxn 🇨🇦 915 70 37ms 21 Jun 2022 452nd Lydxn 🇨🇦 915 76 100ms 14 Oct 2022 452nd sean-niemann 🇺🇸 915 76 103ms 14 Oct 2022 452nd JayXon 🇺🇸 915 76 99ms 14 Oct 2022 452nd MeWhenI 🇻🇦 915 76 97ms 14 Oct 2022 452nd Steffan153 🇫🇮 915 76 100ms 14 Oct 2022 452nd stefangimmillaro 915 76 102ms 14 Oct 2022 452nd Shanethegamer 🇺🇸 915 76 98ms 13 Mar 2023 452nd DialFrost 🇸🇬 915 76 98ms 26 Dec 2024 452nd snoozingnewt 🇨🇦 915 76 96ms 10 days ago 461st nwellnhof 🇩🇪 915 78 2ms 7 Jan 2021 461st Alex-x90 🇺🇸 915 78 1ms 27 Jan 2023 461st inventshah 915 78 2ms 27 Jan 2023 461st Steffan153 🇫🇮 915 78 2ms 28 Jan 2023 461st sean-niemann 🇺🇸 915 78 2ms 7 Mar 2025 466th sisyphus-ppcg 🇦🇺 915 91 1ms 18 May 2022 466th ovs-code 🇩🇪 915 91 1ms 20 May 2022 466th inventshah 915 91 1ms 4 Jun 2022 466th nwellnhof 🇩🇪 915 91 1ms 8 Jul 2022 466th saito-ta 🇯🇵 915 91 1ms 3 Oct 2022 466th retrohun 915 91 1ms 30 Apr 2023 466th btnlq 915 91 1ms 17 May 2023 466th kritixilithos 915 91 1ms 22 May 2024 474th edsrzf 🇳🇿 911 61 641ms 15 Sep 2025 474th sean-niemann 🇺🇸 911 61 659ms 16 Sep 2025 474th DialFrost 🇸🇬 911 61 729ms 27 days ago 474th Yewzir 🇧🇪 911 61 680ms 23 days ago 478th MeWhenI 🇻🇦 911 62 118ms 11 Nov 2021 479th sisyphus-ppcg 🇦🇺 911 77 2ms 3 Feb 2023 480th Shanethegamer 🇺🇸 910 63 65ms 18 May 2022 480th Yewzir 🇧🇪 910 63 66ms 9 Nov 2023 480th Betuaredead 910 63 68ms 13 Nov 2023 480th albanian-laundromat 910 63 69ms 8 Nov 2025 480th snoozingnewt 🇨🇦 910 63 65ms 2 days ago 485th Lydxn 🇨🇦 910 74 37ms 14 Jul 2021 485th JayXon 🇺🇸 910 74 38ms 20 Aug 2021 485th stefangimmillaro 910 74 40ms 22 Apr 2023 488th sisyphus-ppcg 🇦🇺 910 91 1ms 20 Jul 2022 488th UnderKoen 🇳🇱 910 91 1ms 6 Mar 2023 488th m-tkach 🇺🇦 910 91 1ms 9 Mar 2023 488th Lydxn 🇨🇦 910 91 1ms 19 Jul 2023 492nd pihart 909 66 10ms 22 Jun 2020 492nd Argeento 🇵🇱 909 66 9ms 13 Nov 2020 492nd ovs-code 🇩🇪 909 66 10ms 29 Jul 2024 492nd Lv0Sys 🇵🇱 909 66 10ms 10 days ago 496th dvargas46 🇺🇸 908 55 47ms 15 Nov 2022 497th Waffle3z 908 74 1ms 9 Jul 2021 498th Lydxn 🇨🇦 908 85 464ms 27 Feb 2022 498th JayXon 🇺🇸 908 85 455ms 28 Feb 2022 498th GrayJoKing 🇦🇺 908 85 438ms 13 Mar 2022 501st anter69 🇭🇺 907 55 1,011ms 10 Mar 2025 502nd prplz 🇦🇺 907 75 145ms 12 Oct 2021 502nd YAJUE114514 907 75 139ms 30 Jul 2025 504th JayXon 🇺🇸 907 76 2ms 20 days ago 505th fuzzylojik-golf 🇺🇸 907 81 350ms 7 Sep 2025 506th frankgraziano 907 144 11ms 11 Aug 2025 506th primo-ppcg 🇹🇭 907 144 13ms 13 Aug 2025 506th DialFrost 🇸🇬 907 144 9ms 13 Aug 2025 509th Yax42 🇫🇷 906 92 413ms 27 days ago 510th MeWhenI 🇻🇦 905 67 4ms 16 Dec 2024 510th Yewzir 🇧🇪 905 67 4ms 20 Dec 2024 510th GrayJoKing 🇦🇺 905 67 5ms 31 Jan 2025 513th canissimia 🇦🇶 905 194 4ms 21 Sep 2021 514th MeWhenI 🇻🇦 904 65 5ms 12 Dec 2023 515th Steffan153 🇫🇮 904 91 28ms 28 Jan 2023 515th GrayJoKing 🇦🇺 904 91 27ms 28 Jan 2023 515th Lydxn 🇨🇦 904 91 27ms 28 Jan 2023 515th m-tkach 🇺🇦 904 91 27ms 18 Jan 2024 515th sean-niemann 🇺🇸 904 91 27ms 19 May 2025 520th janbehrens 🇩🇪 903 70 4ms 26 Nov 2023 521st emplv 🇱🇻 903 77 103ms 14 Mar 2023 522nd lynn 903 79 2ms 2 Oct 2021 522nd MeWhenI 🇻🇦 903 79 2ms 21 Jun 2022 522nd m-tkach 🇺🇦 903 79 1ms 9 Mar 2023 522nd ovs-code 🇩🇪 903 79 2ms 24 Mar 2024 First Prev 451–525 of 3,138 Next Last