Happy Numbers in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Multitap Input 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 Tower of Hanoi 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 Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 Tower of Hanoi 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 Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 800th emgordon154 723 87 117ms 18 Feb 2025 800th edsrzf 🇳🇿 723 87 123ms 4 Mar 2025 800th DialFrost 🇸🇬 723 87 126ms 4 Apr 2025 800th acotis 723 87 133ms 15 Apr 2025 800th ovs-code 🇩🇪 723 87 114ms 20 Apr 2025 800th sean-niemann 🇺🇸 723 87 123ms 6 Jun 2025 800th kumavale 723 87 113ms 17 Aug 2025 808th dokutan 723 91 381ms 24 Sep 2025 809th phdphil 722 43 140ms 9 Apr 2018 810th RussellEmerine 721 80 138ms 30 Nov 2019 810th iczelia 🇩🇪 721 80 159ms 20 Oct 2025 812th duckyluuk 🇳🇱 720 73 4ms 16 Dec 2024 813th yzhs 🇩🇪 719 38 35ms 21 Jun 2022 814th retrohun 719 69 7ms 3 Nov 2024 815th GrayJoKing 🇦🇺 717 53 1,296ms 13 Sep 2021 815th primo-ppcg 🇹🇭 717 53 1,295ms 22 Sep 2021 817th jakzo 716 69 12ms 5 Sep 2021 817th Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 819th GrayJoKing 🇦🇺 716 72 36ms 14 Jun 2022 819th primo-ppcg 🇹🇭 716 72 36ms 21 Jun 2022 821st MeWhenI 🇻🇦 716 89 38ms 28 Aug 2024 822nd ovs-code 🇩🇪 716 98 6ms 17 Mar 2023 823rd Natanaelel 🇸🇪 715 32 43ms 22 Jul 2022 823rd SirBogman 🇺🇸 715 32 43ms 10 Sep 2022 825th duckyluuk 🇳🇱 715 60 2,196ms 26 Oct 2024 826th DialFrost 🇸🇬 715 76 120ms 26 Dec 2024 826th snoozingnewt 🇨🇦 715 76 100ms 29 Nov 2025 828th Yax42 🇫🇷 715 92 494ms 12 Nov 2025 829th namelessiw 714 61 419ms 5 Mar 2024 829th lifthrasiir 🇰🇷 714 61 411ms 2 Dec 2024 829th DialFrost 🇸🇬 714 61 412ms 26 Dec 2024 832nd Attero 🇸🇪 714 66 51ms 25 Sep 2020 832nd nstearns96 🇬🇧 714 66 16ms 15 Dec 2022 834th jared-hughes 714 88 118ms 10 Nov 2022 834th kgodara 714 88 123ms 11 Mar 2023 834th snoozingnewt 🇨🇦 714 88 119ms 29 Nov 2025 837th emgordon154 713 87 492ms 16 days ago 838th Laar 712 81 137ms 1 Apr 2019 838th alomiF 712 81 136ms 5 Oct 2023 838th brimstonetrader 712 81 115ms 26 Jan 2024 841st MeWhenI 🇻🇦 711 92 5ms 2 Oct 2022 842nd Alex-x90 🇺🇸 711 97 58ms 4 Dec 2022 842nd Herbert00709 🇵🇱 711 97 59ms 8 Jun 2024 844th KenanSi 710 31 3ms 24 Feb 2022 844th ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 846th GrayJoKing 🇦🇺 706 70 10ms 20 Sep 2021 846th 0x24a537r9 706 70 11ms 10 Sep 2022 846th TRexOnGit 706 70 10ms 2 May 2025 846th Protothor 706 70 9ms 9 Jul 2025 850th GolfingSuccess 🇬🇷 705 74 6ms 38 hours ago 850th edsrzf 🇳🇿 705 74 6ms 34 hours ago 852nd sean-niemann 🇺🇸 704 61 2,143ms 30 Oct 2024 852nd jkelly467 704 61 2,316ms 3 Nov 2025 854th GrayJoKing 🇦🇺 704 72 1ms 9 Apr 2022 855th jared-hughes 704 82 116ms 11 Sep 2023 856th m-tkach 🇺🇦 704 98 53ms 9 Mar 2023 856th annaproxy 704 98 56ms 22 Oct 2023 858th msbranicky 704 185 10ms 29 Aug 2023 859th Shanethegamer 🇺🇸 703 54 1,255ms 13 Sep 2021 860th itsjustfreekie 703 67 75ms 20 Sep 2021 860th Fishron 703 67 65ms 21 Oct 2021 860th fredrik-bakke 🇳🇴 703 67 73ms 29 Sep 2022 860th jakobkordez 🇸🇮 703 67 17ms 30 Oct 2022 860th jmerle 🇳🇱 703 67 75ms 16 Feb 2023 865th Yewzir 🇧🇪 702 62 428ms 4 Feb 2024 865th ovs-code 🇩🇪 702 62 405ms 2 Mar 2024 865th KatieLG 🇬🇧 702 62 405ms 28 Oct 2024 868th jmerle 🇳🇱 702 100 6ms 4 Jul 2023 869th dbut2 🇦🇺 702 121 280ms 15 Jul 2025 870th saito-ta 🇯🇵 701 75 6ms 22 Jun 2022 870th inventshah 701 75 1ms 25 Jan 2023 870th Yewzir 🇧🇪 701 75 1ms 22 Dec 2023 870th KasperKivimaeki 🇫🇮 701 75 2ms 5 Jan 2025 874th MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 874th Yewzir 🇧🇪 700 69 2ms 22 Dec 2023 874th sean-niemann 🇺🇸 700 69 2ms 8 Oct 2024 874th albanian-laundromat 700 69 2ms 24 Jun 2025 878th jared-hughes 700 94 494ms 24 Sep 2025 879th Bubbler-4 699 49 65ms 13 Sep 2023 879th ovs-code 🇩🇪 699 49 63ms 13 Sep 2023 First Prev 801–880 of 3,173 Next Last