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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Rectangle Fill 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 799th btjones0 725 65 51ms 22 Nov 2022 799th falsidge 725 65 8ms 21 Jun 2023 803rd dokutan 724 75 124ms 23 Jul 2025 804th edsrzf 🇳🇿 723 54 941ms 8 Sep 2025 804th albanian-laundromat 723 54 684ms 5 days ago 806th lynn 723 87 120ms 7 Jul 2024 806th emgordon154 723 87 117ms 18 Feb 2025 806th edsrzf 🇳🇿 723 87 123ms 4 Mar 2025 806th DialFrost 🇸🇬 723 87 127ms 4 Apr 2025 806th acotis 723 87 116ms 15 Apr 2025 806th ovs-code 🇩🇪 723 87 124ms 20 Apr 2025 806th sean-niemann 🇺🇸 723 87 125ms 6 Jun 2025 806th kumavale 723 87 117ms 17 Aug 2025 814th phdphil 722 43 154ms 9 Apr 2018 815th duckyluuk 🇳🇱 721 73 4ms 16 Dec 2024 816th RussellEmerine 721 80 138ms 30 Nov 2019 816th iczelia 🇩🇪 721 80 159ms 20 Oct 2025 818th yzhs 🇩🇪 719 38 35ms 21 Jun 2022 819th retrohun 719 69 7ms 3 Nov 2024 820th GrayJoKing 🇦🇺 718 68 7ms 19 days ago 821st GrayJoKing 🇦🇺 717 53 1,296ms 13 Sep 2021 821st primo-ppcg 🇹🇭 717 53 1,295ms 22 Sep 2021 823rd duckyluuk 🇳🇱 716 60 3,723ms 26 Oct 2024 824th jakzo 716 69 11ms 5 Sep 2021 824th Shanethegamer 🇺🇸 716 69 13ms 25 Apr 2023 826th GrayJoKing 🇦🇺 716 72 36ms 14 Jun 2022 826th primo-ppcg 🇹🇭 716 72 36ms 21 Jun 2022 828th MeWhenI 🇻🇦 716 89 38ms 28 Aug 2024 829th ovs-code 🇩🇪 716 98 6ms 17 Mar 2023 830th Natanaelel 🇸🇪 715 32 47ms 22 Jul 2022 830th SirBogman 🇺🇸 715 32 49ms 10 Sep 2022 832nd DialFrost 🇸🇬 715 76 134ms 26 Dec 2024 832nd snoozingnewt 🇨🇦 715 76 112ms 29 Nov 2025 834th jared-hughes 715 88 124ms 10 Nov 2022 834th kgodara 715 88 122ms 11 Mar 2023 834th snoozingnewt 🇨🇦 715 88 123ms 29 Nov 2025 837th Yax42 🇫🇷 715 92 494ms 12 Nov 2025 838th namelessiw 714 61 419ms 5 Mar 2024 838th lifthrasiir 🇰🇷 714 61 411ms 2 Dec 2024 838th DialFrost 🇸🇬 714 61 412ms 26 Dec 2024 841st Attero 🇸🇪 714 66 51ms 25 Sep 2020 841st nstearns96 🇬🇧 714 66 16ms 15 Dec 2022 843rd emgordon154 713 87 492ms 8 Feb 2026 844th Laar 712 81 137ms 1 Apr 2019 844th alomiF 712 81 136ms 5 Oct 2023 844th brimstonetrader 712 81 115ms 26 Jan 2024 847th MeWhenI 🇻🇦 711 92 5ms 2 Oct 2022 848th Alex-x90 🇺🇸 711 97 64ms 4 Dec 2022 848th Herbert00709 🇵🇱 711 97 59ms 8 Jun 2024 850th KenanSi 710 31 3ms 24 Feb 2022 850th ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 852nd GrayJoKing 🇦🇺 706 70 10ms 20 Sep 2021 852nd 0x24a537r9 706 70 12ms 10 Sep 2022 852nd TRexOnGit 706 70 9ms 2 May 2025 852nd Protothor 706 70 15ms 9 Jul 2025 856th sean-niemann 🇺🇸 704 61 4,005ms 30 Oct 2024 856th jkelly467 704 61 3,937ms 3 Nov 2025 858th GrayJoKing 🇦🇺 704 72 1ms 9 Apr 2022 859th jared-hughes 704 82 116ms 11 Sep 2023 860th m-tkach 🇺🇦 704 98 58ms 9 Mar 2023 860th annaproxy 704 98 56ms 22 Oct 2023 862nd msbranicky 704 185 10ms 29 Aug 2023 863rd Shanethegamer 🇺🇸 703 54 1,255ms 13 Sep 2021 864th itsjustfreekie 703 67 75ms 20 Sep 2021 864th Fishron 703 67 65ms 21 Oct 2021 864th fredrik-bakke 🇳🇴 703 67 73ms 29 Sep 2022 864th jakobkordez 🇸🇮 703 67 17ms 30 Oct 2022 864th jmerle 🇳🇱 703 67 75ms 16 Feb 2023 869th Yewzir 🇧🇪 702 62 428ms 4 Feb 2024 869th ovs-code 🇩🇪 702 62 405ms 2 Mar 2024 869th KatieLG 🇬🇧 702 62 375ms 28 Oct 2024 872nd jmerle 🇳🇱 702 100 6ms 4 Jul 2023 873rd dbut2 🇦🇺 702 121 269ms 15 Jul 2025 874th saito-ta 🇯🇵 701 75 6ms 22 Jun 2022 874th inventshah 701 75 1ms 25 Jan 2023 874th Yewzir 🇧🇪 701 75 1ms 22 Dec 2023 874th KasperKivimaeki 🇫🇮 701 75 2ms 5 Jan 2025 878th MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 878th Yewzir 🇧🇪 700 69 2ms 22 Dec 2023 878th sean-niemann 🇺🇸 700 69 2ms 8 Oct 2024 First Prev 801–880 of 3,191 Next Last