Happy Numbers (Long) 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 Binary Lambda Calculus 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 Binary Lambda Calculus 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 826th Irratix 🇳🇱 759 92 2ms 19 Dec 2021 827th KrausRaus 🇺🇸 758 97 4ms 24 Oct 2023 828th Yewzir 🇧🇪 758 99 42ms 18 Dec 2024 829th Irratix 🇳🇱 757 90 146ms 24 Sep 2021 830th jared-hughes 757 101 3ms 17 Mar 2022 831st MeWhenI 🇻🇦 756 95 14ms 23 May 2023 832nd prplz 🇦🇺 755 66 1,409ms 27 Sep 2021 832nd DialFrost 🇸🇬 755 66 743ms 10 Oct 2024 834th Yewzir 🇧🇪 755 102 373ms 13 Jan 2024 835th yzhs 🇩🇪 754 66 989ms 5 Nov 2021 836th msbranicky 753 89 648ms 17 Jan 2024 836th Stockoh 🇫🇷 753 89 585ms 24 Jun 2024 836th Mabeloid 🇳🇴 753 89 469ms 18 Sep 2024 839th emgordon154 752 77 130ms 7 Nov 2024 840th stewSquared 🇺🇸 752 93 27ms 27 Sep 2022 840th FlorianCassayre 🇫🇷 752 93 225ms 18 Oct 2022 840th ssbhatt4321 752 93 27ms 11 Jun 2023 840th Glinte 752 93 382ms 11 Dec 2023 840th Hebelub 752 93 14ms 5 Jan 2024 840th tobeannouncd 752 93 21ms 25 Apr 2025 840th YAJUE114514 752 93 430ms 28 Jul 2025 847th Shanethegamer 🇺🇸 752 168 28ms 20 Sep 2021 848th alasdair-greenland 751 79 24ms 10 Nov 2021 848th igmcdowell 751 79 10ms 11 Dec 2021 848th dylanarmstrong 751 79 12ms 24 Jan 2024 851st snoozingnewt 🇺🇸 751 125 334ms 3 Oct 2025 852nd janbehrens 🇩🇪 750 64 489ms 9 Nov 2021 853rd Shanethegamer 🇺🇸 750 102 4ms 12 Dec 2022 853rd dokutan 750 102 2ms 5 days ago 855th 386asm 🇺🇸 748 117 44ms 10 Apr 2023 856th Shanethegamer 🇺🇸 748 131 27ms 20 Mar 2023 857th Irratix 🇳🇱 747 64 49ms 4 Mar 2022 857th annaproxy 747 64 65ms 27 Aug 2022 859th CatsAreFluffy 745 66 998ms 31 Jan 2023 860th trist224 🇫🇷 745 126 379ms 15 Nov 2022 861st drochom 744 94 354ms 22 Jun 2024 861st martion2007 744 94 74ms 14 Aug 2024 863rd akamayu-ouo 🇹🇼 743 35 6ms 30 Jul 2024 864th snoozingnewt 🇺🇸 743 84 81ms 20 days ago 865th jared-hughes 743 94 2ms 14 Mar 2022 865th Shanethegamer 🇺🇸 743 94 2ms 18 Dec 2022 865th KenanHanke 743 94 2ms 22 Feb 2023 865th Yewzir 🇧🇪 743 94 2ms 10 Jan 2024 869th Yewzir 🇧🇪 743 111 500ms 13 Jan 2024 870th KatieLG 🇬🇧 742 67 971ms 21 Sep 2021 871st itsh01 742 80 42ms 4 Oct 2021 871st voytxt 🇨🇿 742 80 10ms 2 Mar 2022 871st dokutan 742 80 23ms 24 Dec 2024 874th j-Ewan 741 41 34ms 22 Feb 2022 875th boxjelly 740 92 182ms 14 Mar 2022 876th primo-ppcg 🇹🇭 740 104 356ms 21 Nov 2021 876th Irratix 🇳🇱 740 104 317ms 13 Dec 2021 876th ericlangedijk 🇸🇮 740 104 369ms 17 Mar 2022 876th Matgc04 740 104 333ms 22 Aug 2023 876th CaedenHarper 🇨🇦 740 104 304ms 6 days ago 881st Shanethegamer 🇺🇸 738 89 37ms 16 Apr 2024 882nd AkashTandon167 736 95 87ms 2 Nov 2021 882nd mhenion8293 🇺🇸 736 95 12ms 23 Jan 2022 882nd 4ndyJ 🇬🇧 736 95 23ms 12 Feb 2023 882nd Alex-x90 🇺🇸 736 95 23ms 13 Feb 2023 882nd mathb0y512 736 95 541ms 22 Sep 2025 882nd jacekwladzinski 736 95 28ms 2 Oct 2025 888th SirBogman 🇺🇸 736 254 45ms 23 Nov 2022 889th olivermrose 🇺🇸 735 65 46ms 27 Oct 2021 889th KatieLG 🇬🇧 735 65 39ms 10 Apr 2022 889th yzhs 🇩🇪 735 65 42ms 20 Jul 2022 889th DialFrost 🇸🇬 735 65 90ms 28 Jan 2023 889th edsrzf 🇳🇿 735 65 94ms 5 Nov 2024 894th AlephSquirrel 735 95 2ms 8 Jun 2023 895th snoozingnewt 🇺🇸 735 114 14ms 30 Sep 2025 896th jerrandolph 734 162 259ms 3 Nov 2023 897th yokasuretsu 733 51 198ms 16 Nov 2021 898th MeWhenI 🇻🇦 733 68 1,774ms 28 Jan 2023 898th Feniske 🇫🇷 733 68 1,602ms 7 Nov 2023 900th AlephSquirrel 733 81 10ms 8 Aug 2022 First Prev 826–900 of 1,992 Next Last