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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 751st DialFrost 🇸🇬 847 78 26 Dec 2024 752nd dokutan 846 102 14 Apr 2024 753rd lynn 845 59 25 May 2022 753rd DialFrost 🇸🇬 845 59 26 Dec 2024 755th jared-hughes 845 71 29 Oct 2021 755th stefangimmillaro 845 71 27 Aug 2022 755th Maznek 845 71 19 Jun 2023 758th prplz 🇦🇺 845 96 30 Apr 2022 758th elgan65536 845 96 11 Nov 2023 760th Frowny 843 72 3 Jul 2020 760th lifthrasiir 🇰🇷 843 72 13 Nov 2024 762nd Lydxn 🇨🇦 843 83 10 Oct 2023 762nd ovs-code 🇩🇪 843 83 10 Oct 2023 764th primo-ppcg 🇹🇭 842 67 27 Mar 2021 764th Steffan153 🇫🇮 842 67 28 Jan 2023 764th edsrzf 🇳🇿 842 67 23 Jun 2025 767th villfa 842 75 30 Nov 2018 767th LostSyntax21 🇬🇧 842 75 8 Jan 2025 769th jslip 840 35 5 Sep 2018 769th rak1507 🇬🇧 840 35 20 Sep 2021 771st emgordon154 840 143 22 Dec 2021 771st primo-ppcg 🇹🇭 840 143 5 Mar 2022 771st Yewzir 🇧🇪 840 143 13 Jul 2023 771st ovs-code 🇩🇪 840 143 10 Sep 2023 775th annaproxy 839 85 18 May 2023 776th HumanEquivalentUnit 838 59 10 Oct 2020 777th Laar 838 81 1 Apr 2019 777th alomiF 838 81 5 Oct 2023 777th brimstonetrader 838 81 26 Jan 2024 780th Steffan153 🇫🇮 838 99 28 Jan 2023 780th pardouin 🇫🇷 838 99 21 Sep 2024 780th sean-niemann 🇺🇸 838 99 9 May 2025 783rd MeWhenI 🇻🇦 837 92 10 Oct 2022 784th AdrienHache 🇫🇷 837 103 7 Jan 2024 785th SirFireball3521 836 45 22 Mar 2023 786th Yewzir 🇧🇪 836 79 22 Dec 2023 786th albanian-laundromat 836 79 24 Jun 2025 788th edsrzf 🇳🇿 836 97 4 Mar 2025 789th emgordon154 835 31 11 Sep 2024 790th GrayJoKing 🇦🇺 834 80 15 Jul 2023 791st jared-hughes 834 144 25 Oct 2022 792nd Shanethegamer 🇺🇸 833 30 13 Jan 2022 793rd PatrickStephansen 🇿🇦 833 72 3 Nov 2020 793rd KatieLG 🇬🇧 833 72 16 Apr 2021 793rd neihousaigaai 833 72 18 Apr 2021 793rd two-bad 🇬🇧 833 72 25 Feb 2024 797th mogron 832 73 13 Dec 2019 797th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 797th StefanHabel 🇨🇦 832 73 11 Dec 2022 800th acacopardo 831 76 14 Nov 2017 800th MeWhenI 🇻🇦 831 76 15 Sep 2021 800th DaCuteRaccoon 831 76 30 Nov 2022 803rd janlelis 830 60 21 Apr 2021 804th marshallward 🇺🇸 830 81 2 Sep 2022 805th djeedjay 🇳🇱 829 86 26 Oct 2020 805th Yewzir 🇧🇪 829 86 22 Dec 2023 807th GrayJoKing 🇦🇺 828 53 10 Apr 2021 807th scpchicken 🇵🇼 828 53 23 May 2021 807th kurkale6ka 828 53 16 Jun 2021 807th sean-niemann 🇺🇸 828 53 7 Sep 2021 807th MeWhenI 🇻🇦 828 53 15 Sep 2021 807th DaCuteRaccoon 828 53 30 Nov 2022 807th Steffan153 🇫🇮 828 53 28 Jan 2023 807th DialFrost 🇸🇬 828 53 28 Jan 2023 807th snoozingnewt 🇺🇸 828 53 1 Sep 2024 807th LostSyntax21 🇬🇧 828 53 8 Jan 2025 817th primo-ppcg 🇹🇭 828 67 25 Dec 2020 817th lynn 828 67 18 May 2021 817th Yewzir 🇧🇪 828 67 17 Sep 2023 817th sean-niemann 🇺🇸 828 67 8 Oct 2024 821st jared-hughes 828 82 11 Sep 2023 822nd CLOStrophobic 🇮🇹 828 102 14 Feb 2025 823rd anter69 🇭🇺 827 57 3 Aug 2021 823rd annaproxy 827 57 27 Aug 2022 823rd BREMAUCY 🇫🇷 827 57 26 Mar 2024 Prev 751–825 of 2,920 Next