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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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 801st prplz 🇦🇺 732 86 122ms 30 Apr 2022 801st pardouin 🇫🇷 732 86 123ms 24 Aug 2024 803rd SirBogman 🇺🇸 731 45 226ms 7 Jan 2024 804th treeowl 730 79 135ms 27 Feb 2019 804th user189032 730 79 136ms 29 May 2019 804th cbrt-x 730 79 137ms 15 Sep 2023 807th emplv 🇱🇻 730 93 25ms 29 Jun 2022 808th albanian-laundromat 🇺🇸 728 84 108ms 22 Dec 2025 809th NewDefectus 🇮🇱 727 68 10ms 16 Dec 2021 809th KrausRaus 🇺🇸 727 68 12ms 6 Jan 2026 811th Irratix 🇳🇱 726 41 2ms 1 Nov 2020 811th primo-ppcg 🇹🇭 726 41 1ms 2 Nov 2020 811th GrayJoKing 🇦🇺 726 41 1ms 27 Nov 2020 811th KatieLG 🇬🇧 726 41 2ms 9 Dec 2020 811th msbranicky 726 41 1ms 27 Jul 2023 811th dokutan 726 41 2ms 11 Nov 2023 811th AlephSquirrel 726 41 2ms 27 Jan 2025 818th ovs-code 🇩🇪 726 95 27ms 10 Jan 2023 819th msbranicky 725 60 397ms 17 Jan 2024 819th JunkIce 725 60 466ms 23 Feb 2025 821st ZakkkkAttackkkk 🇵🇭 725 65 33ms 21 Dec 2021 821st bob-th 725 65 55ms 5 Aug 2022 821st btjones0 725 65 57ms 22 Nov 2022 821st falsidge 725 65 9ms 21 Jun 2023 821st madex 🇩🇪 725 65 9ms 19 days ago 826th dokutan 724 75 110ms 23 Jul 2025 827th edsrzf 🇳🇿 723 54 676ms 8 Sep 2025 827th albanian-laundromat 🇺🇸 723 54 690ms 12 Mar 2026 829th duckyluuk 🇳🇱 723 73 5ms 16 Dec 2024 830th lynn 723 87 129ms 7 Jul 2024 830th emgordon154 723 87 126ms 18 Feb 2025 830th edsrzf 🇳🇿 723 87 128ms 4 Mar 2025 830th DialFrost 🇸🇬 723 87 126ms 4 Apr 2025 830th acotis 723 87 129ms 15 Apr 2025 830th ovs-code 🇩🇪 723 87 127ms 20 Apr 2025 830th sean-niemann 🇺🇸 723 87 128ms 6 Jun 2025 830th vang1ong7ang 🇦🇶 723 87 168ms 3 days ago 838th phdphil 722 43 161ms 9 Apr 2018 839th RussellEmerine 721 80 138ms 30 Nov 2019 839th iczelia 🇩🇪 721 80 158ms 20 Oct 2025 841st yzhs 🇩🇪 719 38 35ms 21 Jun 2022 842nd retrohun 719 69 7ms 3 Nov 2024 843rd GrayJoKing 🇦🇺 717 53 1,409ms 13 Sep 2021 843rd primo-ppcg 🇹🇭 717 53 1,341ms 22 Sep 2021 845th GrayJoKing 🇦🇺 717 72 36ms 14 Jun 2022 845th primo-ppcg 🇹🇭 717 72 36ms 21 Jun 2022 847th duckyluuk 🇳🇱 716 60 2,265ms 26 Oct 2024 848th jakzo 716 69 14ms 5 Sep 2021 848th Shanethegamer 🇺🇸 716 69 11ms 25 Apr 2023 850th MeWhenI 🇻🇦 716 89 38ms 28 Aug 2024 851st ovs-code 🇩🇪 716 98 6ms 17 Mar 2023 852nd Natanaelel 🇸🇪 715 32 44ms 22 Jul 2022 852nd SirBogman 🇺🇸 715 32 44ms 10 Sep 2022 854th DialFrost 🇸🇬 715 76 118ms 26 Dec 2024 854th snoozingnewt 🇨🇦 715 76 116ms 29 Nov 2025 856th jared-hughes 715 88 124ms 10 Nov 2022 856th kgodara 715 88 131ms 11 Mar 2023 856th snoozingnewt 🇨🇦 715 88 122ms 29 Nov 2025 859th Yax42 🇫🇷 715 92 484ms 12 Nov 2025 860th namelessiw 714 61 493ms 5 Mar 2024 860th lifthrasiir 🇰🇷 714 61 518ms 2 Dec 2024 860th DialFrost 🇸🇬 714 61 470ms 26 Dec 2024 863rd Attero 🇸🇪 714 66 53ms 25 Sep 2020 863rd nstearns96 🇬🇧 714 66 20ms 15 Dec 2022 865th emgordon154 713 87 473ms 8 Feb 2026 866th Laar 712 81 137ms 1 Apr 2019 866th alomiF 712 81 136ms 5 Oct 2023 866th brimstonetrader 712 81 115ms 26 Jan 2024 869th Alex-x90 🇺🇸 711 97 64ms 4 Dec 2022 869th Herbert00709 🇵🇱 711 97 59ms 8 Jun 2024 871st KenanSi 710 31 3ms 24 Feb 2022 871st ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 873rd GrayJoKing 🇦🇺 706 70 12ms 20 Sep 2021 873rd 0x24a537r9 706 70 14ms 10 Sep 2022 873rd TRexOnGit 706 70 10ms 2 May 2025 873rd Protothor 706 70 10ms 9 Jul 2025 877th Shanethegamer 🇺🇸 704 54 1,335ms 13 Sep 2021 878th sean-niemann 🇺🇸 704 61 2,278ms 30 Oct 2024 878th jkelly467 704 61 2,237ms 3 Nov 2025 880th GrayJoKing 🇦🇺 704 72 1ms 9 Apr 2022 881st jared-hughes 704 82 116ms 11 Sep 2023 882nd m-tkach 🇺🇦 704 98 63ms 9 Mar 2023 882nd annaproxy 704 98 59ms 22 Oct 2023 884th msbranicky 704 185 10ms 29 Aug 2023 885th itsjustfreekie 703 67 83ms 20 Sep 2021 885th Fishron 703 67 71ms 21 Oct 2021 885th fredrik-bakke 🇳🇴 703 67 94ms 29 Sep 2022 885th jakobkordez 🇸🇮 703 67 19ms 30 Oct 2022 885th jmerle 🇳🇱 703 67 77ms 16 Feb 2023 890th Yewzir 🇧🇪 702 62 407ms 4 Feb 2024 890th ovs-code 🇩🇪 702 62 496ms 2 Mar 2024 890th KatieLG 🇬🇧 702 62 521ms 28 Oct 2024 893rd saito-ta 🇯🇵 702 75 6ms 22 Jun 2022 893rd inventshah 702 75 1ms 25 Jan 2023 893rd Yewzir 🇧🇪 702 75 1ms 22 Dec 2023 893rd KasperKivimaeki 🇫🇮 702 75 2ms 5 Jan 2025 897th jmerle 🇳🇱 702 100 6ms 4 Jul 2023 898th dbut2 🇦🇺 702 121 331ms 15 Jul 2025 899th MeWhenI 🇻🇦 701 69 2ms 10 Sep 2022 899th Yewzir 🇧🇪 701 69 2ms 22 Dec 2023 First Prev 801–900 of 3,230 Next Last