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 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 Rectangle Fill 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 385th sean-niemann 🇺🇸 921 66 1,437ms 18 Apr 2025 385th CaedenHarper 🇨🇦 921 66 1,471ms 15 Jul 2025 385th albanian-laundromat 921 66 1,405ms 10 Nov 2025 385th snoozingnewt 🇨🇦 921 66 1,394ms 30 Nov 2025 385th Steffan153 🇫🇮 921 66 4,900ms 13 Feb 2026 406th HPWiz 🇳🇿 920 32 50ms 17 Aug 2023 407th Steffan153 🇫🇮 920 63 82ms 18 days ago 408th Steffan153 🇫🇮 920 64 8ms 11 Dec 2023 408th Yewzir 🇧🇪 920 64 7ms 14 Dec 2023 408th Lydxn 🇨🇦 920 64 6ms 20 Dec 2023 408th dokutan 920 64 7ms 19 May 2024 408th emgordon154 920 64 6ms 5 Dec 2024 408th edsrzf 🇳🇿 920 64 6ms 21 Jan 2025 408th sean-niemann 🇺🇸 920 64 7ms 19 Apr 2025 408th kg583 🇺🇸 920 64 7ms 30 Jul 2025 408th snoozingnewt 🇨🇦 920 64 6ms 30 Nov 2025 408th DialFrost 🇸🇬 920 64 6ms 1 Jan 2026 418th Lydxn 🇨🇦 919 72 2ms 10 Sep 2022 418th GrayJoKing 🇦🇺 919 72 2ms 10 Sep 2022 418th JayXon 🇺🇸 919 72 2ms 10 Sep 2022 418th btnlq 919 72 2ms 11 Sep 2022 418th Steffan153 🇫🇮 919 72 2ms 19 Aug 2024 423rd bforte 919 74 131ms 9 Dec 2018 423rd annaproxy 919 74 130ms 12 Jan 2022 423rd rak1507 🇬🇧 919 74 140ms 23 Feb 2022 423rd Natanaelel 🇸🇪 919 74 143ms 31 May 2025 427th primo-ppcg 🇹🇭 918 41 153ms 6 Oct 2020 427th Natanaelel 🇸🇪 918 41 136ms 7 Oct 2021 427th sisyphus-ppcg 🇦🇺 918 41 155ms 31 Jan 2023 430th primo-ppcg 🇹🇭 918 80 384ms 21 Nov 2021 430th prplz 🇦🇺 918 80 377ms 21 Nov 2021 430th annaproxy 918 80 400ms 5 May 2022 430th tomtheisen 🇺🇸 918 80 376ms 17 Jan 2023 430th Steffan153 🇫🇮 918 80 443ms 28 Jan 2023 430th AdrienHache 🇫🇷 918 80 444ms 30 May 2023 430th MeWhenI 🇻🇦 918 80 414ms 26 Jul 2023 430th DialFrost 🇸🇬 918 80 410ms 26 Dec 2024 430th sean-niemann 🇺🇸 918 80 367ms 9 Jan 2025 430th Yax42 🇫🇷 918 80 440ms 15 Aug 2025 440th lynn 917 54 267ms 25 May 2022 441st Lydxn 🇨🇦 917 63 3ms 16 Jul 2023 441st Steffan153 🇫🇮 917 63 154ms 22 Aug 2024 441st sean-niemann 🇺🇸 917 63 170ms 22 Aug 2024 441st JayXon 🇺🇸 917 63 134ms 23 Aug 2024 441st lukegustafson 🇺🇸 917 63 207ms 12 Sep 2024 441st emplv 🇱🇻 917 63 156ms 17 Jul 2025 447th lifthrasiir 🇰🇷 917 77 7ms 11 Dec 2024 447th jared-hughes 917 77 7ms 15 Dec 2024 449th bendiscz 917 111 291ms 20 Apr 2020 449th emplv 🇱🇻 917 111 304ms 31 Aug 2021 449th jared-hughes 917 111 307ms 27 Feb 2024 449th keelimeguy 🇺🇸 917 111 297ms 28 Apr 2025 453rd btnlq 916 61 2ms 5 Nov 2022 454th GrayJoKing 🇦🇺 916 69 5ms 29 Apr 2021 454th xsot 🇸🇬 916 69 6ms 16 Jun 2024 456th Lydxn 🇨🇦 916 70 37ms 21 Jun 2022 457th AlephSquirrel 916 83 6ms 21 Jan 2023 457th edsrzf 🇳🇿 916 83 5ms 11 Apr 2025 457th kg583 🇺🇸 916 83 5ms 3 May 2025 460th dokutan 916 91 351ms 5 days ago 461st Lydxn 🇨🇦 915 76 116ms 14 Oct 2022 461st sean-niemann 🇺🇸 915 76 120ms 14 Oct 2022 461st JayXon 🇺🇸 915 76 107ms 14 Oct 2022 461st MeWhenI 🇻🇦 915 76 120ms 14 Oct 2022 461st Steffan153 🇫🇮 915 76 111ms 14 Oct 2022 461st stefangimmillaro 915 76 104ms 14 Oct 2022 461st Shanethegamer 🇺🇸 915 76 115ms 13 Mar 2023 461st DialFrost 🇸🇬 915 76 134ms 26 Dec 2024 461st snoozingnewt 🇨🇦 915 76 112ms 29 Nov 2025 470th nwellnhof 🇩🇪 915 78 2ms 7 Jan 2021 470th Alex-x90 🇺🇸 915 78 1ms 27 Jan 2023 470th inventshah 915 78 1ms 27 Jan 2023 470th Steffan153 🇫🇮 915 78 1ms 28 Jan 2023 470th sean-niemann 🇺🇸 915 78 2ms 7 Mar 2025 475th sisyphus-ppcg 🇦🇺 915 91 1ms 18 May 2022 475th ovs-code 🇩🇪 915 91 1ms 20 May 2022 475th inventshah 915 91 1ms 4 Jun 2022 475th nwellnhof 🇩🇪 915 91 1ms 8 Jul 2022 475th saito-ta 🇯🇵 915 91 1ms 3 Oct 2022 475th retrohun 915 91 1ms 30 Apr 2023 First Prev 401–480 of 3,207 Next Last