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 prplz 🇦🇺 844 96 30 Apr 2022 751st elgan65536 844 96 11 Nov 2023 753rd Frowny 843 72 3 Jul 2020 753rd lifthrasiir 🇰🇷 843 72 13 Nov 2024 755th Lydxn 🇨🇦 843 83 10 Oct 2023 755th ovs-code 🇩🇪 843 83 10 Oct 2023 757th primo-ppcg 🇹🇭 842 67 27 Mar 2021 757th Steffan153 🇫🇮 842 67 28 Jan 2023 757th edsrzf 🇳🇿 842 67 19 days ago 760th villfa 842 75 30 Nov 2018 760th LostSyntax21 🇬🇧 842 75 8 Jan 2025 762nd jslip 840 35 5 Sep 2018 762nd rak1507 🇬🇧 840 35 20 Sep 2021 764th emgordon154 840 143 22 Dec 2021 764th primo-ppcg 🇹🇭 840 143 5 Mar 2022 764th Yewzir 🇧🇪 840 143 13 Jul 2023 764th ovs-code 🇩🇪 840 143 10 Sep 2023 768th annaproxy 839 85 18 May 2023 769th HumanEquivalentUnit 838 59 10 Oct 2020 770th Laar 838 81 1 Apr 2019 770th alomiF 838 81 5 Oct 2023 770th brimstonetrader 838 81 26 Jan 2024 773rd MeWhenI 🇻🇦 837 92 10 Oct 2022 774th Steffan153 🇫🇮 837 99 28 Jan 2023 774th pardouin 🇫🇷 837 99 21 Sep 2024 774th sean-niemann 🇺🇸 837 99 9 May 2025 777th AdrienHache 🇫🇷 837 103 7 Jan 2024 778th SirFireball3521 836 45 22 Mar 2023 779th Yewzir 🇧🇪 836 79 22 Dec 2023 779th albanian-laundromat 836 79 18 days ago 781st edsrzf 🇳🇿 836 97 4 Mar 2025 782nd emgordon154 835 31 11 Sep 2024 783rd jared-hughes 834 144 25 Oct 2022 784th Shanethegamer 🇺🇸 833 30 13 Jan 2022 785th PatrickStephansen 🇿🇦 833 72 3 Nov 2020 785th KatieLG 🇬🇧 833 72 16 Apr 2021 785th neihousaigaai 833 72 18 Apr 2021 785th two-bad 🇬🇧 833 72 25 Feb 2024 789th GrayJoKing 🇦🇺 833 80 15 Jul 2023 790th mogron 832 73 13 Dec 2019 790th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 790th StefanHabel 🇨🇦 832 73 11 Dec 2022 793rd acacopardo 831 76 14 Nov 2017 793rd MeWhenI 🇻🇦 831 76 15 Sep 2021 793rd DaCuteRaccoon 831 76 30 Nov 2022 796th janlelis 830 60 21 Apr 2021 797th marshallward 🇺🇸 830 81 2 Sep 2022 798th djeedjay 🇳🇱 829 86 26 Oct 2020 798th Yewzir 🇧🇪 829 86 22 Dec 2023 800th GrayJoKing 🇦🇺 828 53 10 Apr 2021 800th scpchicken 🇵🇼 828 53 23 May 2021 800th kurkale6ka 828 53 16 Jun 2021 800th sean-niemann 🇺🇸 828 53 7 Sep 2021 800th MeWhenI 🇻🇦 828 53 15 Sep 2021 800th DaCuteRaccoon 828 53 30 Nov 2022 800th Steffan153 🇫🇮 828 53 28 Jan 2023 800th DialFrost 🇸🇬 828 53 28 Jan 2023 800th snoozingnewt 🇺🇸 828 53 1 Sep 2024 800th LostSyntax21 🇬🇧 828 53 8 Jan 2025 810th primo-ppcg 🇹🇭 828 67 25 Dec 2020 810th lynn 828 67 18 May 2021 810th Yewzir 🇧🇪 828 67 17 Sep 2023 810th sean-niemann 🇺🇸 828 67 8 Oct 2024 814th jared-hughes 828 82 11 Sep 2023 815th CLOStrophobic 🇮🇹 828 102 14 Feb 2025 816th anter69 🇭🇺 827 57 3 Aug 2021 816th annaproxy 827 57 27 Aug 2022 816th BREMAUCY 🇫🇷 827 57 26 Mar 2024 819th duckyluuk 🇳🇱 827 73 16 Dec 2024 820th kgodara 827 98 11 Mar 2023 821st inventshah 826 80 9 Sep 2022 822nd Shanethegamer 🇺🇸 824 64 25 Apr 2023 823rd m-tkach 🇺🇦 823 64 30 Jan 2024 824th didion0 🇺🇸 821 73 22 Apr 2021 824th itsh01 821 73 16 Aug 2021 Prev 751–825 of 2,904 Next