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 Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 801st SirBogman 🇺🇸 731 45 226ms 7 Jan 2024 802nd emplv 🇱🇻 731 93 25ms 29 Jun 2022 803rd treeowl 730 79 135ms 27 Feb 2019 803rd user189032 730 79 136ms 29 May 2019 803rd cbrt-x 730 79 137ms 15 Sep 2023 806th albanian-laundromat 🇺🇸 730 84 108ms 22 Dec 2025 807th Irratix 🇳🇱 727 41 2ms 1 Nov 2020 807th primo-ppcg 🇹🇭 727 41 1ms 2 Nov 2020 807th GrayJoKing 🇦🇺 727 41 1ms 27 Nov 2020 807th KatieLG 🇬🇧 727 41 2ms 9 Dec 2020 807th msbranicky 727 41 1ms 27 Jul 2023 807th dokutan 727 41 2ms 11 Nov 2023 807th AlephSquirrel 727 41 2ms 27 Jan 2025 814th NewDefectus 🇮🇱 727 68 10ms 16 Dec 2021 814th KrausRaus 🇺🇸 727 68 10ms 6 Jan 2026 816th ovs-code 🇩🇪 727 95 27ms 10 Jan 2023 817th msbranicky 726 60 397ms 17 Jan 2024 817th JunkIce 726 60 466ms 23 Feb 2025 819th ZakkkkAttackkkk 🇵🇭 725 65 33ms 21 Dec 2021 819th bob-th 725 65 55ms 5 Aug 2022 819th btjones0 725 65 57ms 22 Nov 2022 819th falsidge 725 65 9ms 21 Jun 2023 819th madex 🇩🇪 725 65 9ms 11 days ago 824th dokutan 725 75 110ms 23 Jul 2025 825th edsrzf 🇳🇿 724 54 931ms 8 Sep 2025 825th albanian-laundromat 🇺🇸 724 54 816ms 12 Mar 2026 827th lynn 724 87 129ms 7 Jul 2024 827th emgordon154 724 87 126ms 18 Feb 2025 827th edsrzf 🇳🇿 724 87 128ms 4 Mar 2025 827th DialFrost 🇸🇬 724 87 126ms 4 Apr 2025 827th acotis 724 87 129ms 15 Apr 2025 827th ovs-code 🇩🇪 724 87 127ms 20 Apr 2025 827th sean-niemann 🇺🇸 724 87 128ms 6 Jun 2025 834th duckyluuk 🇳🇱 723 73 5ms 16 Dec 2024 835th phdphil 722 43 159ms 9 Apr 2018 836th RussellEmerine 721 80 138ms 30 Nov 2019 836th iczelia 🇩🇪 721 80 158ms 20 Oct 2025 838th retrohun 720 69 7ms 3 Nov 2024 839th yzhs 🇩🇪 719 38 35ms 21 Jun 2022 840th GrayJoKing 🇦🇺 718 72 36ms 14 Jun 2022 840th primo-ppcg 🇹🇭 718 72 36ms 21 Jun 2022 842nd MeWhenI 🇻🇦 718 89 38ms 28 Aug 2024 843rd GrayJoKing 🇦🇺 717 53 1,560ms 13 Sep 2021 843rd primo-ppcg 🇹🇭 717 53 1,568ms 22 Sep 2021 845th duckyluuk 🇳🇱 717 60 2,317ms 26 Oct 2024 846th ovs-code 🇩🇪 717 98 6ms 17 Mar 2023 847th jakzo 716 69 12ms 5 Sep 2021 847th Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 849th Natanaelel 🇸🇪 715 32 54ms 22 Jul 2022 849th SirBogman 🇺🇸 715 32 50ms 10 Sep 2022 851st DialFrost 🇸🇬 715 76 118ms 26 Dec 2024 851st snoozingnewt 🇨🇦 715 76 116ms 29 Nov 2025 853rd jared-hughes 715 88 124ms 10 Nov 2022 853rd kgodara 715 88 131ms 11 Mar 2023 853rd snoozingnewt 🇨🇦 715 88 122ms 29 Nov 2025 853rd vang1ong7ang 715 88 129ms 15 days ago 857th Yax42 🇫🇷 715 92 494ms 12 Nov 2025 858th namelessiw 714 61 493ms 5 Mar 2024 858th lifthrasiir 🇰🇷 714 61 518ms 2 Dec 2024 858th DialFrost 🇸🇬 714 61 470ms 26 Dec 2024 861st Attero 🇸🇪 714 66 53ms 25 Sep 2020 861st nstearns96 🇬🇧 714 66 20ms 15 Dec 2022 863rd emgordon154 714 87 473ms 8 Feb 2026 864th Laar 712 81 137ms 1 Apr 2019 864th alomiF 712 81 136ms 5 Oct 2023 864th brimstonetrader 712 81 115ms 26 Jan 2024 867th Alex-x90 🇺🇸 712 97 64ms 4 Dec 2022 867th Herbert00709 🇵🇱 712 97 59ms 8 Jun 2024 869th jusaka 712 182 1,218ms 13 days ago 870th KenanSi 710 31 3ms 24 Feb 2022 870th ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 872nd GrayJoKing 🇦🇺 706 70 13ms 20 Sep 2021 872nd 0x24a537r9 706 70 18ms 10 Sep 2022 872nd TRexOnGit 706 70 10ms 2 May 2025 872nd Protothor 706 70 11ms 9 Jul 2025 876th sean-niemann 🇺🇸 705 61 2,257ms 30 Oct 2024 876th jkelly467 705 61 2,296ms 3 Nov 2025 878th GrayJoKing 🇦🇺 705 72 1ms 9 Apr 2022 879th msbranicky 705 185 10ms 29 Aug 2023 880th Shanethegamer 🇺🇸 704 54 1,714ms 13 Sep 2021 First Prev 801–880 of 3,308 Next Last