Happy Numbers (Long) 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 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 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 561st MeWhenI 🇻🇦 852 77 58ms 19 Sep 2021 561st snoozingnewt 🇨🇦 852 77 61ms 16 Oct 2025 563rd primo-ppcg 🇹🇭 852 82 1ms 22 Sep 2021 563rd nwellnhof 🇩🇪 852 82 2ms 22 Sep 2021 563rd Attero 🇸🇪 852 82 3ms 23 Dec 2021 563rd c0d3-4-F00d 🇩🇪 852 82 2ms 5 Jan 2022 563rd snoozingnewt 🇨🇦 852 82 3ms 13 Sep 2025 568th Lydxn 🇨🇦 852 90 40ms 20 Sep 2021 568th Steffan153 🇫🇮 852 90 40ms 12 Jan 2023 568th stefangimmillaro 852 90 40ms 26 Jan 2023 568th MeWhenI 🇻🇦 852 90 41ms 14 May 2023 568th DialFrost 🇸🇬 852 90 41ms 22 Oct 2024 573rd marcin7Cd 851 80 146ms 29 Sep 2021 573rd cbrt-x 851 80 154ms 15 Sep 2023 575th janbehrens 🇩🇪 850 140 351ms 20 Sep 2021 576th MeWhenI 🇻🇦 849 96 134ms 15 Nov 2022 577th Steffan153 🇫🇮 849 134 50ms 21 Mar 2026 578th ovs-code 🇩🇪 849 190 17ms 9 Jul 2024 579th KatieLG 🇬🇧 848 79 689ms 16 Jan 2024 579th MeWhenI 🇻🇦 848 79 610ms 17 Jan 2024 579th duckyluuk 🇳🇱 848 79 626ms 20 Jun 2024 579th namelessiw 848 79 630ms 14 Jul 2024 579th lifthrasiir 🇰🇷 848 79 596ms 2 Dec 2024 579th dokutan 848 79 626ms 13 Mar 2026 585th MeWhenI 🇻🇦 848 163 1,213ms 28 Mar 2025 586th stefangimmillaro 847 111 458ms 6 Oct 2025 586th kmathis22 847 111 621ms 20 Nov 2025 586th ethanlally 847 111 419ms 23 Nov 2025 586th dokutan 847 111 422ms 23 Nov 2025 586th snoozingnewt 🇨🇦 847 111 472ms 5 Dec 2025 591st Irratix 🇳🇱 847 112 61ms 3 Jan 2022 591st solisolu 847 112 65ms 5 days ago 593rd rucin93 🇵🇱 846 86 2ms 19 Nov 2025 594th Yewzir 🇧🇪 846 118 130ms 5 Feb 2024 595th Steffan153 🇫🇮 845 89 18ms 3 Feb 2023 595th sisyphus-ppcg 🇦🇺 845 89 17ms 4 Feb 2023 595th edsrzf 🇳🇿 845 89 14ms 14 Nov 2025 598th itsjustfreekie 843 83 308ms 20 Sep 2021 598th neihousaigaai 843 83 22ms 3 Jan 2022 598th cesarm4 843 83 193ms 16 Apr 2022 598th nstearns96 🇬🇧 843 83 251ms 27 Jan 2023 598th randolchance 843 83 21ms 16 Feb 2023 598th galloj 🇨🇿 843 83 3,245ms 5 Mar 2023 598th yzhs 🇩🇪 843 83 301ms 23 Jun 2023 598th Yewzir 🇧🇪 843 83 260ms 8 Oct 2023 598th m42km 843 83 315ms 12 Oct 2023 607th DialFrost 🇸🇬 843 98 490ms 16 Nov 2025 608th JOrE20 843 140 25ms 19 Feb 2026 609th Steffan153 🇫🇮 842 73 224ms 15 Aug 2024 610th rak1507 🇬🇧 841 36 35ms 20 Sep 2021 611th emplv 🇱🇻 841 78 39ms 19 Apr 2024 612th pardouin 🇫🇷 841 83 3ms 8 Oct 2024 612th LostSyntax21 🇬🇧 841 83 3ms 8 Jan 2025 614th Shanethegamer 🇺🇸 840 95 109ms 14 Oct 2022 614th emplv 🇱🇻 840 95 116ms 28 Oct 2022 614th Yewzir 🇧🇪 840 95 103ms 28 Mar 2024 617th edsrzf 🇳🇿 840 100 19ms 5 Jan 2025 618th MeWhenI 🇻🇦 840 113 57ms 29 Nov 2022 619th DialFrost 🇸🇬 839 88 8ms 26 Feb 2026 620th primo-ppcg 🇹🇭 839 91 2ms 23 Sep 2021 620th JayXon 🇺🇸 839 91 2ms 3 Oct 2021 620th Lydxn 🇨🇦 839 91 2ms 9 Apr 2022 620th btnlq 839 91 2ms 27 Dec 2022 620th FlyingPenguin223 839 91 2ms 5 Feb 2026 625th lynn 839 119 157ms 10 Mar 2022 625th ovs-code 🇩🇪 839 119 139ms 23 Jun 2023 625th mousetail 🇳🇱 839 119 144ms 15 Jan 2024 628th anter69 🇭🇺 838 57 41ms 30 Sep 2021 628th blaztoma 🇱🇹 838 57 39ms 11 days ago 630th ovs-code 🇩🇪 838 69 143ms 3 Aug 2024 631st SirBogman 🇺🇸 838 80 609ms 15 Jan 2024 631st Shanethegamer 🇺🇸 838 80 549ms 16 Jan 2024 631st snoozingnewt 🇨🇦 838 80 696ms 28 Sep 2025 634th Shanethegamer 🇺🇸 838 95 137ms 16 Dec 2022 635th Yewzir 🇧🇪 836 87 2ms 20 Nov 2025 636th Shanethegamer 🇺🇸 836 104 1,490ms 6 days ago 637th stackofbears 835 99 443ms 21 Mar 2022 638th albanian-laundromat 🇺🇸 835 105 41ms 7 Sep 2025 639th CornerMercury 🇬🇧 833 30 5ms 21 Jan 2026 639th emgordon154 833 30 5ms 22 Feb 2026 First Prev 561–640 of 2,207 Next Last