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 825th annaproxy 828 57 27 Aug 2022 825th BREMAUCY 🇫🇷 828 57 26 Mar 2024 828th inventshah 827 80 9 Sep 2022 829th Shanethegamer 🇺🇸 825 64 25 Apr 2023 830th CLOStrophobic 🇮🇹 825 102 14 Feb 2025 831st dokutan 824 101 7 days ago 832nd m-tkach 🇺🇦 823 64 30 Jan 2024 833rd didion0 🇺🇸 821 73 22 Apr 2021 833rd itsh01 821 73 16 Aug 2021 833rd c0d3-4-F00d 🇩🇪 821 73 5 Jan 2022 833rd DaCuteRaccoon 821 73 30 Nov 2022 833rd janbehrens 🇩🇪 821 73 17 Jun 2023 833rd snoozingnewt 🇺🇸 821 73 1 Sep 2024 839th KatieLG 🇬🇧 821 74 5 Nov 2020 839th trist224 🇫🇷 821 74 15 Nov 2022 839th QuincyNash 🇺🇸 821 74 29 Nov 2022 842nd AaronGarbut 820 87 30 Jul 2019 843rd phdphil 818 46 9 Apr 2018 844th dokutan 818 85 23 Jul 2025 845th orthoplex 🇨🇽 817 36 20 Jul 2024 846th Frank-Buss 817 93 29 Aug 2020 847th DialFrost 🇸🇬 817 103 16 Feb 2025 848th ovs-code 🇩🇪 815 153 18 days ago 848th primo-ppcg 🇹🇭 815 153 17 days ago 848th emgordon154 815 153 15 days ago 851st NewDefectus 🇮🇱 813 54 15 Dec 2021 852nd Waffle3z 813 58 20 Jan 2021 852nd jbbarth 🇫🇷 813 58 8 Oct 2021 852nd AlephSquirrel 813 58 14 Apr 2023 852nd SirBogman 🇺🇸 813 58 10 Jan 2024 852nd fuzzylojik-golf 🇺🇸 813 58 3 Sep 2025 857th MeWhenI 🇻🇦 813 71 25 Jul 2023 857th GrayJoKing 🇦🇺 813 71 3 Aug 2024 859th dokutan 812 100 23 Jul 2025 860th MeWhenI 🇻🇦 811 65 17 Jan 2024 861st ListeriaM 811 88 25 Aug 2023 861st Jonatan6 🇩🇰 811 88 27 Apr 2024 863rd tomtheisen 🇺🇸 810 74 9 Oct 2020 863rd weliveinhell 🇭🇹 810 74 3 Sep 2023 863rd thisishowmymindworks 🇳🇴 810 74 10 Jun 2024 863rd Lv0Sys 🇵🇱 810 74 31 May 2025 867th mortimervonchappuis 810 75 17 Mar 2020 867th SirFireball3521 810 75 28 Jan 2023 867th AlexanderFair 810 75 2 Jul 2023 867th msbranicky 810 75 25 Jul 2023 871st jared-hughes 810 154 16 days ago 872nd Natanaelel 🇸🇪 809 32 22 Jul 2022 872nd SirBogman 🇺🇸 809 32 10 Sep 2022 874th primo-ppcg 🇹🇭 808 61 9 Feb 2022 875th janbehrens 🇩🇪 807 82 26 Nov 2023 876th KenanSi 806 31 24 Feb 2022 876th ashtraypettingzoo 🇺🇸 806 31 5 Apr 2023 878th DialFrost 🇸🇬 805 62 21 Jan 2025 879th Yewzir 🇧🇪 804 87 21 Jan 2024 879th rucin93 🇵🇱 804 87 22 Apr 2025 881st primo-ppcg 🇹🇭 804 102 25 Jun 2022 882nd MeWhenI 🇻🇦 802 72 3 Aug 2024 883rd AlexDaniel 🇪🇪 801 47 5 Apr 2020 883rd SirBogman 🇺🇸 801 47 4 Nov 2021 885th Unremarkable 800 75 28 Sep 2018 885th ToriTheChicken 800 75 24 Jul 2020 885th ehouais 800 75 24 Aug 2020 885th cywong-amino 🇭🇰 800 75 30 Sep 2020 885th ScottHamper 800 75 23 May 2021 885th nathanadams 🇳🇿 800 75 13 Oct 2021 885th shawphy 800 75 14 Oct 2021 885th tayloia 🇬🇧 800 75 11 May 2023 885th Yewzir 🇧🇪 800 75 6 Dec 2023 894th somebody1234 800 95 20 Nov 2018 894th dokutan 800 95 15 Jan 2024 894th Yewzir 🇧🇪 800 95 6 Feb 2024 897th jared-hughes 800 104 7 days ago 898th adoxography 799 59 22 Jul 2018 898th flavono123 799 59 19 Dec 2019 898th rbviz 799 59 29 Mar 2021 Prev 826–900 of 3,049 Next