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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 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 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 Calendar 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 Multitap Input 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Calendar 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 Multitap Input 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 801st GrayJoKing 🇦🇺 716 72 36ms 14 Jun 2022 801st primo-ppcg 🇹🇭 716 72 37ms 21 Jun 2022 803rd MeWhenI 🇻🇦 716 89 38ms 28 Aug 2024 804th ovs-code 🇩🇪 716 98 7ms 17 Mar 2023 805th Natanaelel 🇸🇪 715 32 52ms 22 Jul 2022 805th SirBogman 🇺🇸 715 32 47ms 10 Sep 2022 807th duckyluuk 🇳🇱 715 60 2,971ms 26 Oct 2024 808th DialFrost 🇸🇬 715 76 100ms 26 Dec 2024 808th snoozingnewt 🇨🇦 715 76 100ms 25 days ago 810th Yax42 🇫🇷 715 92 413ms 12 Nov 2025 811th Attero 🇸🇪 714 66 51ms 25 Sep 2020 811th nstearns96 🇬🇧 714 66 16ms 15 Dec 2022 813th jared-hughes 714 88 118ms 10 Nov 2022 813th kgodara 714 88 118ms 11 Mar 2023 813th snoozingnewt 🇨🇦 714 88 115ms 25 days ago 816th namelessiw 713 61 328ms 5 Mar 2024 816th lifthrasiir 🇰🇷 713 61 335ms 2 Dec 2024 816th DialFrost 🇸🇬 713 61 327ms 26 Dec 2024 819th Laar 712 81 137ms 1 Apr 2019 819th alomiF 712 81 136ms 5 Oct 2023 819th brimstonetrader 712 81 115ms 26 Jan 2024 822nd MeWhenI 🇻🇦 711 92 5ms 2 Oct 2022 823rd Alex-x90 🇺🇸 711 97 58ms 4 Dec 2022 823rd Herbert00709 🇵🇱 711 97 52ms 8 Jun 2024 825th KenanSi 710 31 3ms 24 Feb 2022 825th ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 827th GrayJoKing 🇦🇺 706 70 10ms 20 Sep 2021 827th 0x24a537r9 706 70 12ms 10 Sep 2022 827th TRexOnGit 706 70 9ms 2 May 2025 827th Protothor 706 70 9ms 9 Jul 2025 831st jared-hughes 704 82 116ms 11 Sep 2023 832nd msbranicky 704 185 10ms 29 Aug 2023 833rd Shanethegamer 🇺🇸 703 54 890ms 13 Sep 2021 834th sean-niemann 🇺🇸 703 61 3,053ms 30 Oct 2024 834th jkelly467 703 61 3,083ms 3 Nov 2025 836th itsjustfreekie 703 67 75ms 20 Sep 2021 836th Fishron 703 67 66ms 21 Oct 2021 836th fredrik-bakke 🇳🇴 703 67 72ms 29 Sep 2022 836th jakobkordez 🇸🇮 703 67 17ms 30 Oct 2022 836th jmerle 🇳🇱 703 67 74ms 16 Feb 2023 841st GrayJoKing 🇦🇺 703 72 1ms 9 Apr 2022 842nd m-tkach 🇺🇦 703 98 59ms 9 Mar 2023 842nd annaproxy 703 98 57ms 22 Oct 2023 844th Yewzir 🇧🇪 702 62 349ms 4 Feb 2024 844th ovs-code 🇩🇪 702 62 358ms 2 Mar 2024 844th KatieLG 🇬🇧 702 62 372ms 28 Oct 2024 847th jmerle 🇳🇱 702 100 7ms 4 Jul 2023 848th saito-ta 🇯🇵 701 75 6ms 22 Jun 2022 848th inventshah 701 75 2ms 25 Jan 2023 848th Yewzir 🇧🇪 701 75 2ms 22 Dec 2023 848th KasperKivimaeki 🇫🇮 701 75 2ms 5 Jan 2025 852nd dbut2 🇦🇺 701 121 274ms 15 Jul 2025 853rd MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 853rd Yewzir 🇧🇪 700 69 2ms 22 Dec 2023 853rd sean-niemann 🇺🇸 700 69 2ms 8 Oct 2024 853rd albanian-laundromat 700 69 2ms 24 Jun 2025 857th jared-hughes 700 94 444ms 24 Sep 2025 858th Bubbler-4 699 49 65ms 13 Sep 2023 858th ovs-code 🇩🇪 699 49 63ms 13 Sep 2023 860th JunkIce 698 90 116ms 23 Feb 2025 860th dokutan 698 90 120ms 23 Jul 2025 862nd snoozingnewt 🇨🇦 697 89 365ms 25 days ago 863rd jared-hughes 696 71 9ms 29 Oct 2021 863rd stefangimmillaro 696 71 9ms 27 Aug 2022 863rd SirFireball3521 696 71 9ms 28 Jan 2023 863rd Maznek 696 71 9ms 19 Jun 2023 863rd KrausRaus 🇺🇸 696 71 9ms 14 Oct 2025 863rd snoozingnewt 🇨🇦 696 71 9ms 25 days ago 869th msbranicky 696 74 78ms 14 Aug 2023 870th Steffan153 🇫🇮 696 99 54ms 28 Jan 2023 870th ovs-code 🇩🇪 696 99 56ms 3 Jun 2024 870th roupiq 🇵🇱 696 99 57ms 8 Jun 2024 873rd dokutan 694 88 91ms 12 days ago 874th MeWhenI 🇻🇦 694 133 1,642ms 7 Nov 2025 875th xorraxrax 693 68 9ms 19 Oct 2019 875th NewDefectus 🇮🇱 693 68 10ms 1 Nov 2020 875th ydevor 🇮🇱 693 68 9ms 26 Nov 2020 875th jacklynnepenick 693 68 42ms 17 Aug 2021 875th aposteriorist 🇨🇦 693 68 9ms 6 Feb 2022 875th PowerR0 693 68 9ms 25 Aug 2022 First Prev 801–880 of 3,124 Next Last