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 ArkScript 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 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 ArkScript 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 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 796th dokutan 726 41 2ms 11 Nov 2023 796th AlephSquirrel 726 41 2ms 27 Jan 2025 803rd ovs-code 🇩🇪 726 95 27ms 10 Jan 2023 804th msbranicky 725 60 386ms 17 Jan 2024 804th JunkIce 725 60 435ms 23 Feb 2025 806th ZakkkkAttackkkk 🇵🇭 725 65 34ms 21 Dec 2021 806th bob-th 725 65 47ms 5 Aug 2022 806th btjones0 725 65 51ms 22 Nov 2022 806th falsidge 725 65 8ms 21 Jun 2023 810th dokutan 724 75 123ms 23 Jul 2025 811th edsrzf 🇳🇿 723 54 941ms 8 Sep 2025 811th albanian-laundromat 723 54 684ms 7 days ago 813th lynn 723 87 120ms 7 Jul 2024 813th emgordon154 723 87 117ms 18 Feb 2025 813th edsrzf 🇳🇿 723 87 123ms 4 Mar 2025 813th DialFrost 🇸🇬 723 87 127ms 4 Apr 2025 813th acotis 723 87 116ms 15 Apr 2025 813th ovs-code 🇩🇪 723 87 124ms 20 Apr 2025 813th sean-niemann 🇺🇸 723 87 124ms 6 Jun 2025 813th kumavale 723 87 117ms 17 Aug 2025 821st phdphil 722 43 154ms 9 Apr 2018 822nd duckyluuk 🇳🇱 721 73 4ms 16 Dec 2024 823rd RussellEmerine 721 80 138ms 30 Nov 2019 823rd iczelia 🇩🇪 721 80 159ms 20 Oct 2025 825th yzhs 🇩🇪 719 38 35ms 21 Jun 2022 826th retrohun 719 69 7ms 3 Nov 2024 827th GrayJoKing 🇦🇺 718 68 6ms 21 days ago 828th GrayJoKing 🇦🇺 717 53 1,296ms 13 Sep 2021 828th primo-ppcg 🇹🇭 717 53 1,295ms 22 Sep 2021 830th duckyluuk 🇳🇱 716 60 2,547ms 26 Oct 2024 831st jakzo 716 69 14ms 5 Sep 2021 831st Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 833rd GrayJoKing 🇦🇺 716 72 36ms 14 Jun 2022 833rd primo-ppcg 🇹🇭 716 72 36ms 21 Jun 2022 835th MeWhenI 🇻🇦 716 89 38ms 28 Aug 2024 836th ovs-code 🇩🇪 716 98 6ms 17 Mar 2023 837th Natanaelel 🇸🇪 715 32 43ms 22 Jul 2022 837th SirBogman 🇺🇸 715 32 44ms 10 Sep 2022 839th DialFrost 🇸🇬 715 76 115ms 26 Dec 2024 839th snoozingnewt 🇨🇦 715 76 112ms 29 Nov 2025 841st jared-hughes 715 88 124ms 10 Nov 2022 841st kgodara 715 88 122ms 11 Mar 2023 841st snoozingnewt 🇨🇦 715 88 123ms 29 Nov 2025 844th Yax42 🇫🇷 715 92 494ms 12 Nov 2025 845th namelessiw 714 61 419ms 5 Mar 2024 845th lifthrasiir 🇰🇷 714 61 411ms 2 Dec 2024 845th DialFrost 🇸🇬 714 61 412ms 26 Dec 2024 848th Attero 🇸🇪 714 66 51ms 25 Sep 2020 848th nstearns96 🇬🇧 714 66 16ms 15 Dec 2022 850th emgordon154 713 87 492ms 8 Feb 2026 851st Laar 712 81 137ms 1 Apr 2019 851st alomiF 712 81 136ms 5 Oct 2023 851st brimstonetrader 712 81 115ms 26 Jan 2024 854th MeWhenI 🇻🇦 711 92 5ms 2 Oct 2022 855th Alex-x90 🇺🇸 711 97 62ms 4 Dec 2022 855th Herbert00709 🇵🇱 711 97 59ms 8 Jun 2024 857th KenanSi 710 31 3ms 24 Feb 2022 857th ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 859th GrayJoKing 🇦🇺 706 70 11ms 20 Sep 2021 859th 0x24a537r9 706 70 12ms 10 Sep 2022 859th TRexOnGit 706 70 10ms 2 May 2025 859th Protothor 706 70 18ms 9 Jul 2025 863rd sean-niemann 🇺🇸 704 61 2,571ms 30 Oct 2024 863rd jkelly467 704 61 2,525ms 3 Nov 2025 865th GrayJoKing 🇦🇺 704 72 1ms 9 Apr 2022 866th jared-hughes 704 82 116ms 11 Sep 2023 867th m-tkach 🇺🇦 704 98 58ms 9 Mar 2023 867th annaproxy 704 98 56ms 22 Oct 2023 869th msbranicky 704 185 10ms 29 Aug 2023 870th Shanethegamer 🇺🇸 703 54 1,255ms 13 Sep 2021 871st itsjustfreekie 703 67 75ms 20 Sep 2021 871st Fishron 703 67 65ms 21 Oct 2021 871st fredrik-bakke 🇳🇴 703 67 73ms 29 Sep 2022 871st jakobkordez 🇸🇮 703 67 17ms 30 Oct 2022 871st jmerle 🇳🇱 703 67 75ms 16 Feb 2023 876th Yewzir 🇧🇪 702 62 428ms 4 Feb 2024 876th ovs-code 🇩🇪 702 62 405ms 2 Mar 2024 876th KatieLG 🇬🇧 702 62 375ms 28 Oct 2024 879th jmerle 🇳🇱 702 100 6ms 4 Jul 2023 880th dbut2 🇦🇺 702 121 269ms 15 Jul 2025 First Prev 801–880 of 3,193 Next Last