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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 824th kurkale6ka 829 53 19ms 16 Jun 2021 824th sean-niemann 🇺🇸 829 53 32ms 7 Sep 2021 824th MeWhenI 🇻🇦 829 53 33ms 15 Sep 2021 824th DaCuteRaccoon 829 53 32ms 30 Nov 2022 824th Steffan153 🇫🇮 829 53 32ms 28 Jan 2023 824th DialFrost 🇸🇬 829 53 33ms 28 Jan 2023 824th snoozingnewt 🇺🇸 829 53 48ms 1 Sep 2024 824th LostSyntax21 🇬🇧 829 53 35ms 8 Jan 2025 824th fuzzylojik-golf 🇺🇸 829 53 19ms 15 Sep 2025 835th primo-ppcg 🇹🇭 829 67 89ms 25 Dec 2020 835th lynn 829 67 126ms 18 May 2021 835th Yewzir 🇧🇪 829 67 98ms 17 Sep 2023 835th sean-niemann 🇺🇸 829 67 95ms 8 Oct 2024 839th jared-hughes 829 82 158ms 11 Sep 2023 840th anter69 🇭🇺 828 57 36ms 3 Aug 2021 840th annaproxy 828 57 55ms 27 Aug 2022 840th BREMAUCY 🇫🇷 828 57 41ms 26 Mar 2024 843rd inventshah 827 80 3ms 9 Sep 2022 844th CLOStrophobic 🇮🇹 827 102 45ms 14 Feb 2025 845th Shanethegamer 🇺🇸 825 64 4ms 25 Apr 2023 846th m-tkach 🇺🇦 824 64 376ms 30 Jan 2024 847th dokutan 824 101 559ms 24 Sep 2025 848th didion0 🇺🇸 821 73 13ms 22 Apr 2021 848th itsh01 821 73 14ms 16 Aug 2021 848th c0d3-4-F00d 🇩🇪 821 73 10ms 5 Jan 2022 848th DaCuteRaccoon 821 73 11ms 30 Nov 2022 848th janbehrens 🇩🇪 821 73 10ms 17 Jun 2023 848th snoozingnewt 🇺🇸 821 73 13ms 1 Sep 2024 854th KatieLG 🇬🇧 821 74 15ms 5 Nov 2020 854th trist224 🇫🇷 821 74 30ms 15 Nov 2022 854th QuincyNash 🇺🇸 821 74 10ms 29 Nov 2022 857th AaronGarbut 820 87 2ms 30 Jul 2019 858th DialFrost 🇸🇬 819 103 40ms 16 Feb 2025 859th phdphil 818 46 190ms 9 Apr 2018 860th dokutan 818 85 114ms 23 Jul 2025 861st ovs-code 🇩🇪 818 153 1,757ms 14 Sep 2025 861st primo-ppcg 🇹🇭 818 153 1,866ms 15 Sep 2025 861st emgordon154 818 153 1,880ms 16 Sep 2025 864th orthoplex 🇨🇽 817 36 38ms 20 Jul 2024 865th Frank-Buss 817 93 6ms 29 Aug 2020 866th NewDefectus 🇮🇱 813 54 16ms 15 Dec 2021 867th Waffle3z 813 58 61ms 20 Jan 2021 867th jbbarth 🇫🇷 813 58 33ms 8 Oct 2021 867th AlephSquirrel 813 58 65ms 14 Apr 2023 867th SirBogman 🇺🇸 813 58 36ms 10 Jan 2024 867th fuzzylojik-golf 🇺🇸 813 58 35ms 3 Sep 2025 872nd MeWhenI 🇻🇦 813 71 3ms 25 Jul 2023 872nd GrayJoKing 🇦🇺 813 71 135ms 3 Aug 2024 874th dokutan 813 100 123ms 23 Jul 2025 875th jared-hughes 813 154 1,917ms 16 Sep 2025 876th MeWhenI 🇻🇦 812 65 426ms 17 Jan 2024 876th Babafaba 812 65 324ms 7 hours ago 878th ListeriaM 811 88 2ms 25 Aug 2023 878th Jonatan6 🇩🇰 811 88 2ms 27 Apr 2024 880th tomtheisen 🇺🇸 810 74 10ms 9 Oct 2020 880th weliveinhell 🇭🇹 810 74 11ms 3 Sep 2023 880th thisishowmymindworks 🇳🇴 810 74 16ms 10 Jun 2024 880th Lv0Sys 🇵🇱 810 74 11ms 31 May 2025 884th mortimervonchappuis 810 75 10ms 17 Mar 2020 884th SirFireball3521 810 75 13ms 28 Jan 2023 884th AlexanderFair 810 75 10ms 2 Jul 2023 884th msbranicky 810 75 10ms 25 Jul 2023 888th Natanaelel 🇸🇪 809 32 43ms 22 Jul 2022 888th SirBogman 🇺🇸 809 32 44ms 10 Sep 2022 890th primo-ppcg 🇹🇭 808 61 91ms 9 Feb 2022 891st janbehrens 🇩🇪 807 82 2ms 26 Nov 2023 892nd KenanSi 806 31 3ms 24 Feb 2022 892nd ashtraypettingzoo 🇺🇸 806 31 3ms 5 Apr 2023 894th DialFrost 🇸🇬 805 62 57ms 21 Jan 2025 895th Yewzir 🇧🇪 804 87 2ms 21 Jan 2024 895th rucin93 🇵🇱 804 87 2ms 22 Apr 2025 897th primo-ppcg 🇹🇭 804 102 27ms 25 Jun 2022 898th MeWhenI 🇻🇦 802 72 126ms 3 Aug 2024 899th AlexDaniel 🇪🇪 801 47 187ms 5 Apr 2020 899th SirBogman 🇺🇸 801 47 134ms 4 Nov 2021 First Prev 826–900 of 3,080 Next Last