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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers 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 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 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 750th SirBogman 🇺🇸 840 35 3 Nov 2019 750th rak1507 🇬🇧 840 35 20 Sep 2021 753rd emgordon154 840 143 22 Dec 2021 753rd primo-ppcg 🇹🇭 840 143 5 Mar 2022 753rd Yewzir 🇧🇪 840 143 13 Jul 2023 753rd ovs-code 🇩🇪 840 143 10 Sep 2023 757th annaproxy 839 85 18 May 2023 758th HumanEquivalentUnit 838 59 10 Oct 2020 759th Laar 838 81 1 Apr 2019 759th alomiF 838 81 5 Oct 2023 759th brimstonetrader 838 81 26 Jan 2024 762nd Steffan153 🇫🇮 837 99 28 Jan 2023 762nd pardouin 🇫🇷 837 99 21 Sep 2024 762nd sean-niemann 🇺🇸 837 99 10 days ago 765th SirFireball3521 836 45 22 Mar 2023 766th AdrienHache 🇫🇷 836 103 7 Jan 2024 767th emgordon154 835 31 11 Sep 2024 768th Yewzir 🇧🇪 835 79 22 Dec 2023 769th MeWhenI 🇻🇦 835 92 10 Oct 2022 770th edsrzf 🇳🇿 834 97 4 Mar 2025 771st jared-hughes 834 144 25 Oct 2022 772nd Shanethegamer 🇺🇸 833 30 13 Jan 2022 773rd GrayJoKing 🇦🇺 833 80 15 Jul 2023 774th PatrickStephansen 🇿🇦 832 72 3 Nov 2020 774th KatieLG 🇬🇧 832 72 16 Apr 2021 774th neihousaigaai 832 72 18 Apr 2021 774th two-bad 🇬🇧 832 72 25 Feb 2024 778th mogron 832 73 13 Dec 2019 778th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 778th StefanHabel 🇨🇦 832 73 11 Dec 2022 781st janlelis 830 60 21 Apr 2021 782nd acacopardo 830 76 14 Nov 2017 782nd MeWhenI 🇻🇦 830 76 15 Sep 2021 782nd DaCuteRaccoon 830 76 30 Nov 2022 785th marshallward 🇺🇸 830 81 2 Sep 2022 786th djeedjay 🇳🇱 829 86 26 Oct 2020 786th Yewzir 🇧🇪 829 86 22 Dec 2023 788th GrayJoKing 🇦🇺 828 53 10 Apr 2021 788th scpchicken 🇵🇼 828 53 23 May 2021 788th kurkale6ka 828 53 16 Jun 2021 788th sean-niemann 🇺🇸 828 53 7 Sep 2021 788th MeWhenI 🇻🇦 828 53 15 Sep 2021 788th DaCuteRaccoon 828 53 30 Nov 2022 788th Steffan153 🇫🇮 828 53 28 Jan 2023 788th DialFrost 🇸🇬 828 53 28 Jan 2023 788th snoozingnewt 🇺🇸 828 53 1 Sep 2024 788th LostSyntax21 🇬🇧 828 53 8 Jan 2025 798th primo-ppcg 🇹🇭 828 67 25 Dec 2020 798th lynn 828 67 18 May 2021 798th Yewzir 🇧🇪 828 67 17 Sep 2023 798th sean-niemann 🇺🇸 828 67 8 Oct 2024 802nd jared-hughes 828 82 11 Sep 2023 803rd CLOStrophobic 🇮🇹 828 102 14 Feb 2025 804th anter69 🇭🇺 827 57 3 Aug 2021 804th annaproxy 827 57 27 Aug 2022 804th BREMAUCY 🇫🇷 827 57 26 Mar 2024 807th duckyluuk 🇳🇱 827 73 16 Dec 2024 808th kgodara 826 98 11 Mar 2023 809th inventshah 825 80 9 Sep 2022 810th Shanethegamer 🇺🇸 824 64 25 Apr 2023 811th m-tkach 🇺🇦 823 64 30 Jan 2024 812th didion0 🇺🇸 821 73 22 Apr 2021 812th itsh01 821 73 16 Aug 2021 812th c0d3-4-F00d 🇩🇪 821 73 5 Jan 2022 812th DaCuteRaccoon 821 73 30 Nov 2022 812th janbehrens 🇩🇪 821 73 17 Jun 2023 812th snoozingnewt 🇺🇸 821 73 1 Sep 2024 818th KatieLG 🇬🇧 820 74 5 Nov 2020 818th trist224 🇫🇷 820 74 15 Nov 2022 818th QuincyNash 🇺🇸 820 74 29 Nov 2022 821st AaronGarbut 820 87 30 Jul 2019 822nd DialFrost 🇸🇬 820 103 16 Feb 2025 823rd targrik 819 77 15 Jan 2025 824th phdphil 818 46 9 Apr 2018 825th orthoplex 🇨🇽 817 36 20 Jul 2024 Prev 751–825 of 2,843 Next