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 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 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 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 720th didion0 🇺🇸 813 73 41ms 23 Nov 2021 720th KatieLG 🇬🇧 813 73 16ms 5 Apr 2022 720th emgordon154 813 73 11ms 7 Nov 2024 724th andre-lameirinhas 🇵🇹 813 86 187ms 4 Nov 2021 724th RYNO8 813 86 62ms 16 Aug 2022 724th LeeCamp 813 86 220ms 15 Jan 2023 724th vishwathg 813 86 363ms 4 Feb 2023 724th cros107 🇦🇺 813 86 251ms 11 Oct 2023 724th logvp 813 86 3,516ms 12 Jan 2024 724th Bmrl7 813 86 15ms 29 Feb 2024 724th Grrisly 813 86 265ms 29 Mar 2024 724th SB-945 813 86 20ms 31 Mar 2024 724th resoNathan 813 86 12ms 18 Jul 2024 724th Andrey2001 813 86 13ms 4 Dec 2025 724th JOrE20 813 86 20ms 17 Feb 2026 724th madex 🇩🇪 813 86 20ms 5 days ago 737th Natanaelel 🇸🇪 811 33 69ms 22 Jul 2022 737th SirBogman 🇺🇸 811 33 70ms 10 Sep 2022 739th MeWhenI 🇻🇦 811 71 64ms 5 Apr 2025 740th GolfingSuccess 🇬🇷 810 117 64ms 19 Mar 2025 741st OhmNomNom 809 59 36ms 20 Oct 2022 741st AlephSquirrel 809 59 68ms 14 Apr 2023 741st SirBogman 🇺🇸 809 59 73ms 10 Jan 2024 741st error256 809 59 52ms 13 May 2024 745th AlephSquirrel 809 104 4ms 6 Aug 2024 746th MeWhenI 🇻🇦 808 93 18ms 2 Oct 2022 747th Shanethegamer 🇺🇸 808 100 11ms 10 Sep 2022 747th albanian-laundromat 808 100 11ms 24 Dec 2025 749th NewDefectus 🇮🇱 807 54 67ms 15 Dec 2021 749th LostSyntax21 🇬🇧 807 54 165ms 8 Jan 2025 751st Yewzir 🇧🇪 807 83 587ms 15 Jan 2024 752nd MeWhenI 🇻🇦 807 90 2ms 10 Oct 2023 753rd Shanethegamer 🇺🇸 806 31 6ms 13 Jan 2022 754th AlephSquirrel 805 89 13ms 20 Apr 2023 755th frankgraziano 805 232 37ms 31 Oct 2025 756th scpchicken 🇵🇼 804 87 230ms 12 Jan 2022 756th JuliaSzulc 804 87 20ms 16 Mar 2022 756th LHuitre 804 87 21ms 5 Jun 2022 756th betaveros 804 87 383ms 1 Jan 2023 756th croc54 804 87 249ms 8 Jan 2025 756th LostSyntax21 🇬🇧 804 87 208ms 8 Mar 2025 756th andrewjc2000 804 87 19ms 11 Aug 2025 763rd jared-hughes 804 124 135ms 10 Nov 2022 763rd Re-Adventures 🇮🇳 804 124 126ms 22 Jun 2023 765th snoozingnewt 🇨🇦 804 148 284ms 4 Feb 2024 766th snoozingnewt 🇨🇦 803 66 14ms 1 Sep 2024 766th LostSyntax21 🇬🇧 803 66 3ms 8 Jan 2025 768th Steffan153 🇫🇮 803 95 21ms 21 Feb 2023 768th Waffle3z 803 95 2ms 26 Dec 2025 770th error256 803 117 403ms 7 days ago 771st tailorspy 803 118 60ms 22 Sep 2024 771st dokutan 803 118 67ms 6 Nov 2025 773rd GrayJoKing 🇦🇺 802 72 162ms 3 Aug 2024 774th c0d3-4-F00d 🇩🇪 802 74 12ms 5 Jan 2022 774th Maznek 802 74 14ms 19 Jun 2023 774th thisishowmymindworks 🇳🇴 802 74 116ms 9 Jun 2024 774th snoozingnewt 🇨🇦 802 74 10ms 1 Sep 2024 774th blaztoma 🇱🇹 802 74 12ms 23 Nov 2025 779th brimstonetrader 801 85 122ms 26 Jan 2024 780th Natanaelel 🇸🇪 800 72 71ms 26 Sep 2023 781st inventshah 800 158 415ms 8 Sep 2022 782nd Shanethegamer 🇺🇸 799 105 15ms 17 Dec 2023 783rd primo-ppcg 🇹🇭 798 61 1,387ms 9 Feb 2022 784th msbranicky 798 91 3ms 11 Oct 2023 785th LostSyntax21 🇬🇧 798 149 287ms 8 Jan 2025 786th DialFrost 🇸🇬 797 63 245ms 21 Jan 2025 787th ovs-code 🇩🇪 797 66 10ms 15 Aug 2024 787th sisyphus-ppcg 🇦🇺 797 66 14ms 19 Aug 2024 789th Alessandro-Balconi 🇮🇹 797 77 96ms 14 Jul 2023 790th MeWhenI 🇻🇦 797 100 111ms 15 Oct 2022 791st namelessiw 797 118 508ms 6 Oct 2025 792nd emplv 🇱🇻 797 148 24ms 29 Jun 2022 793rd Shanethegamer 🇺🇸 796 60 100ms 19 Sep 2021 793rd adoxography 796 60 39ms 18 Dec 2021 793rd jared-hughes 796 60 38ms 9 Sep 2022 793rd Lv0Sys 🇵🇱 796 60 36ms 5 Dec 2025 797th Herbert00709 🇵🇱 796 119 62ms 4 Sep 2024 797th error256 796 119 61ms 27 days ago 799th Waffle3z 795 88 19ms 19 Sep 2021 799th TaserTheFox 🇺🇸 795 88 21ms 28 Feb 2023 First Prev 721–800 of 2,102 Next Last