Happy Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 751st MeWhenI 🇻🇦 853 71 24 Oct 2024 751st sean-niemann 🇺🇸 853 71 30 Oct 2024 753rd MeWhenI 🇻🇦 853 75 20 Jun 2022 753rd sean-niemann 🇺🇸 853 75 19 Nov 2024 755th DialFrost 🇸🇬 851 79 26 Dec 2024 756th ovs-code 🇩🇪 850 62 2 Mar 2024 756th CaedenHarper 🇨🇦 850 62 1 Feb 2025 758th RussellEmerine 850 80 30 Nov 2019 759th btnlq 849 68 16 Jul 2023 759th ovs-code 🇩🇪 849 68 3 Aug 2024 761st DialFrost 🇸🇬 849 78 26 Dec 2024 762nd NewDefectus 🇮🇱 849 84 16 Dec 2021 763rd DialFrost 🇸🇬 849 98 11 days ago 763rd Yewzir 🇧🇪 849 98 3 days ago 765th prplz 🇦🇺 846 96 30 Apr 2022 765th elgan65536 846 96 11 Nov 2023 767th dokutan 846 102 14 Apr 2024 768th lynn 845 59 25 May 2022 768th DialFrost 🇸🇬 845 59 26 Dec 2024 768th janlelis 845 59 14 Aug 2025 771st jared-hughes 845 71 29 Oct 2021 771st stefangimmillaro 845 71 27 Aug 2022 771st Maznek 845 71 19 Jun 2023 774th Frowny 844 72 3 Jul 2020 774th lifthrasiir 🇰🇷 844 72 13 Nov 2024 776th primo-ppcg 🇹🇭 843 67 27 Mar 2021 776th Steffan153 🇫🇮 843 67 28 Jan 2023 776th edsrzf 🇳🇿 843 67 23 Jun 2025 779th Lydxn 🇨🇦 843 83 10 Oct 2023 779th ovs-code 🇩🇪 843 83 10 Oct 2023 781st jslip 842 35 5 Sep 2018 781st rak1507 🇬🇧 842 35 20 Sep 2021 783rd villfa 842 75 30 Nov 2018 783rd LostSyntax21 🇬🇧 842 75 8 Jan 2025 785th Steffan153 🇫🇮 840 99 28 Jan 2023 785th pardouin 🇫🇷 840 99 21 Sep 2024 785th sean-niemann 🇺🇸 840 99 9 May 2025 788th HumanEquivalentUnit 839 59 10 Oct 2020 789th Laar 839 81 1 Apr 2019 789th alomiF 839 81 5 Oct 2023 789th brimstonetrader 839 81 26 Jan 2024 792nd annaproxy 839 85 18 May 2023 793rd MeWhenI 🇻🇦 839 92 10 Oct 2022 794th Yewzir 🇧🇪 838 79 22 Dec 2023 794th albanian-laundromat 838 79 24 Jun 2025 796th AdrienHache 🇫🇷 838 103 7 Jan 2024 797th edsrzf 🇳🇿 837 97 4 Mar 2025 798th SirFireball3521 836 45 22 Mar 2023 799th GrayJoKing 🇦🇺 835 80 15 Jul 2023 800th Shanethegamer 🇺🇸 833 30 13 Jan 2022 801st PatrickStephansen 🇿🇦 833 72 3 Nov 2020 801st KatieLG 🇬🇧 833 72 16 Apr 2021 801st neihousaigaai 833 72 18 Apr 2021 801st two-bad 🇬🇧 833 72 25 Feb 2024 805th mogron 832 73 13 Dec 2019 805th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 805th StefanHabel 🇨🇦 832 73 11 Dec 2022 808th duckyluuk 🇳🇱 831 73 16 Dec 2024 809th acacopardo 831 76 14 Nov 2017 809th MeWhenI 🇻🇦 831 76 15 Sep 2021 809th DaCuteRaccoon 831 76 30 Nov 2022 812th marshallward 🇺🇸 831 81 2 Sep 2022 813th fuzzylojik-golf 🇺🇸 830 93 30 Aug 2025 814th GrayJoKing 🇦🇺 829 53 10 Apr 2021 814th scpchicken 🇵🇼 829 53 23 May 2021 814th kurkale6ka 829 53 16 Jun 2021 814th sean-niemann 🇺🇸 829 53 7 Sep 2021 814th MeWhenI 🇻🇦 829 53 15 Sep 2021 814th DaCuteRaccoon 829 53 30 Nov 2022 814th Steffan153 🇫🇮 829 53 28 Jan 2023 814th DialFrost 🇸🇬 829 53 28 Jan 2023 814th snoozingnewt 🇺🇸 829 53 1 Sep 2024 814th LostSyntax21 🇬🇧 829 53 8 Jan 2025 814th fuzzylojik-golf 🇺🇸 829 53 20 days ago 825th primo-ppcg 🇹🇭 829 67 25 Dec 2020 First Prev 751–825 of 3,060 Next Last