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 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 Apéry’s Constant Binary Lambda Calculus 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 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 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 ><> 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 558th namelessiw 848 79 575ms 14 Jul 2024 558th lifthrasiir 🇰🇷 848 79 453ms 2 Dec 2024 563rd Steffan153 🇫🇮 846 99 13ms 12 Dec 2023 564th stefangimmillaro 846 111 507ms 6 Oct 2025 564th kmathis22 846 111 379ms 20 Nov 2025 564th ethanlally 846 111 387ms 23 Nov 2025 564th dokutan 846 111 373ms 23 Nov 2025 564th snoozingnewt 🇨🇦 846 111 449ms 5 Dec 2025 569th Irratix 🇳🇱 846 112 59ms 3 Jan 2022 570th ovs-code 🇩🇪 846 190 18ms 9 Jul 2024 571st rucin93 🇵🇱 845 86 2ms 19 Nov 2025 572nd MeWhenI 🇻🇦 845 96 126ms 15 Nov 2022 573rd MeWhenI 🇻🇦 845 163 1,409ms 28 Mar 2025 574th Steffan153 🇫🇮 844 89 18ms 3 Feb 2023 574th sisyphus-ppcg 🇦🇺 844 89 17ms 4 Feb 2023 574th edsrzf 🇳🇿 844 89 14ms 14 Nov 2025 577th Yewzir 🇧🇪 844 118 130ms 5 Feb 2024 578th albanian-laundromat 842 73 1,053ms 23 Sep 2025 579th itsjustfreekie 842 83 300ms 20 Sep 2021 579th neihousaigaai 842 83 20ms 3 Jan 2022 579th cesarm4 842 83 181ms 16 Apr 2022 579th nstearns96 🇬🇧 842 83 245ms 27 Jan 2023 579th randolchance 842 83 20ms 16 Feb 2023 579th galloj 🇨🇿 842 83 3,418ms 5 Mar 2023 579th yzhs 🇩🇪 842 83 236ms 23 Jun 2023 579th Yewzir 🇧🇪 842 83 231ms 8 Oct 2023 579th m42km 842 83 312ms 12 Oct 2023 588th DialFrost 🇸🇬 842 98 496ms 16 Nov 2025 589th rak1507 🇬🇧 841 36 35ms 20 Sep 2021 590th Steffan153 🇫🇮 841 73 225ms 15 Aug 2024 591st emplv 🇱🇻 841 78 41ms 19 Apr 2024 592nd pardouin 🇫🇷 841 83 3ms 8 Oct 2024 592nd LostSyntax21 🇬🇧 841 83 3ms 8 Jan 2025 594th emplv 🇱🇻 840 148 24ms 29 Jun 2022 595th Shanethegamer 🇺🇸 839 95 116ms 14 Oct 2022 595th emplv 🇱🇻 839 95 106ms 28 Oct 2022 595th Yewzir 🇧🇪 839 95 122ms 28 Mar 2024 598th anter69 🇭🇺 838 57 38ms 30 Sep 2021 599th primo-ppcg 🇹🇭 838 91 2ms 23 Sep 2021 599th JayXon 🇺🇸 838 91 2ms 3 Oct 2021 599th Lydxn 🇨🇦 838 91 2ms 9 Apr 2022 599th btnlq 838 91 2ms 27 Dec 2022 599th FlyingPenguin223 838 91 2ms 13 days ago 604th edsrzf 🇳🇿 838 100 20ms 5 Jan 2025 605th MeWhenI 🇻🇦 838 113 59ms 29 Nov 2022 606th ovs-code 🇩🇪 837 69 141ms 3 Aug 2024 607th SirBogman 🇺🇸 837 80 585ms 15 Jan 2024 607th Shanethegamer 🇺🇸 837 80 483ms 16 Jan 2024 607th snoozingnewt 🇨🇦 837 80 643ms 28 Sep 2025 610th lynn 837 119 151ms 10 Mar 2022 610th ovs-code 🇩🇪 837 119 135ms 23 Jun 2023 610th mousetail 🇳🇱 837 119 136ms 15 Jan 2024 613th Shanethegamer 🇺🇸 836 95 135ms 16 Dec 2022 614th Shanethegamer 🇺🇸 836 102 1,450ms 20 Mar 2023 615th Yewzir 🇧🇪 835 87 2ms 20 Nov 2025 616th albanian-laundromat 835 149 27ms 28 Dec 2025 617th stackofbears 834 99 443ms 21 Mar 2022 618th CornerMercury 🇬🇧 833 30 5ms 21 Jan 2026 619th albanian-laundromat 833 105 40ms 7 Sep 2025 620th Bonjour27891 🇻🇳 832 84 66ms 9 Feb 2022 620th RDShah 832 84 331ms 11 May 2022 620th fredrik-bakke 🇳🇴 832 84 304ms 2 Oct 2022 620th jakobkordez 🇸🇮 832 84 19ms 30 Oct 2022 620th thehylian 832 84 20ms 2 Jan 2023 620th badboj40 832 84 306ms 12 Feb 2023 620th firegene 🇮🇪 832 84 21ms 22 Dec 2023 620th moustave 832 84 178ms 26 Nov 2024 620th dokutan 832 84 248ms 24 Dec 2024 629th h3ra993huskp 🇯🇵 831 113 503ms 30 Nov 2025 630th Shanethegamer 🇺🇸 831 114 55ms 18 Dec 2022 630th Yewzir 🇧🇪 831 114 56ms 14 Jan 2024 632nd edsrzf 🇳🇿 831 118 28ms 10 days ago 633rd prplz 🇦🇺 830 103 122ms 18 Dec 2021 633rd dokutan 830 103 84ms 6 Nov 2025 635th Shanethegamer 🇺🇸 830 120 126ms 13 Jan 2022 635th MeWhenI 🇻🇦 830 120 130ms 9 May 2023 635th emgordon154 830 120 124ms 14 Mar 2025 638th ovs-code 🇩🇪 830 166 1,404ms 29 Mar 2025 638th emgordon154 830 166 1,398ms 21 May 2025 640th inventshah 827 60 1,340ms 29 Sep 2023 First Prev 561–640 of 2,075 Next Last