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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 721st Yewzir 🇧🇪 747 88 386ms 2 Oct 2025 722nd DialFrost 🇸🇬 744 114 294ms 26 Dec 2024 722nd snoozingnewt 🇨🇦 744 114 264ms 25 days ago 724th edsrzf 🇳🇿 743 88 4ms 14 Nov 2025 725th MeWhenI 🇻🇦 741 71 2ms 22 Aug 2023 726th edsrzf 🇳🇿 741 86 42ms 30 Dec 2024 727th lynn 741 93 27ms 12 Jul 2023 727th xsot 🇸🇬 741 93 57ms 23 May 2024 729th elgan65536 740 85 117ms 22 Sep 2023 730th Steffan153 🇫🇮 740 99 1ms 28 Jan 2023 730th pardouin 🇫🇷 740 99 1ms 21 Sep 2024 730th sean-niemann 🇺🇸 740 99 1ms 9 May 2025 733rd dan-simon 739 42 169ms 28 Dec 2017 733rd yokasuretsu 739 42 133ms 27 Jun 2018 735th emgordon154 739 58 3,016ms 20 Nov 2024 735th DialFrost 🇸🇬 739 58 4,245ms 25 Dec 2024 737th Shanethegamer 🇺🇸 739 73 305ms 12 May 2023 737th janbehrens 🇩🇪 739 73 316ms 26 Nov 2023 739th Jacob385 739 89 431ms 27 Oct 2025 740th sisyphus-ppcg 🇦🇺 739 95 7ms 14 Mar 2023 740th Lydxn 🇨🇦 739 95 7ms 14 Mar 2023 742nd rambox11 738 67 9ms 2 Apr 2018 742nd ETHproductions 🇺🇸 738 67 10ms 14 Apr 2018 742nd frobinsonj 738 67 9ms 28 Jun 2018 742nd dee-gomma 738 67 9ms 27 Mar 2019 742nd elisherer 🇮🇱 738 67 8ms 23 Dec 2019 742nd ArmaanAS 738 67 9ms 8 Mar 2021 748th Frank-Buss 738 93 5ms 29 Aug 2020 749th KasperKivimaeki 🇫🇮 738 115 263ms 2 Oct 2025 750th dokutan 737 59 339ms 14 Apr 2024 751st MeWhenI 🇻🇦 737 92 24ms 13 Jul 2021 752nd trist224 🇫🇷 736 64 9ms 15 Nov 2022 753rd Shanethegamer 🇺🇸 733 30 3ms 13 Jan 2022 754th MeWhenI 🇻🇦 733 76 37ms 16 May 2023 755th SirBogman 🇺🇸 731 45 236ms 7 Jan 2024 756th prplz 🇦🇺 731 86 119ms 30 Apr 2022 756th pardouin 🇫🇷 731 86 120ms 24 Aug 2024 758th treeowl 730 79 135ms 27 Feb 2019 758th user189032 730 79 136ms 29 May 2019 758th cbrt-x 730 79 137ms 15 Sep 2023 761st emplv 🇱🇻 729 93 25ms 29 Jun 2022 762nd NewDefectus 🇮🇱 727 68 9ms 16 Dec 2021 763rd albanian-laundromat 727 84 94ms 2 days ago 764th dokutan 727 90 3ms 12 Feb 2025 765th Irratix 🇳🇱 726 41 3ms 1 Nov 2020 765th primo-ppcg 🇹🇭 726 41 1ms 2 Nov 2020 765th GrayJoKing 🇦🇺 726 41 2ms 27 Nov 2020 765th KatieLG 🇬🇧 726 41 2ms 9 Dec 2020 765th msbranicky 726 41 1ms 27 Jul 2023 765th dokutan 726 41 2ms 11 Nov 2023 765th AlephSquirrel 726 41 2ms 27 Jan 2025 772nd msbranicky 725 60 402ms 17 Jan 2024 772nd JunkIce 725 60 363ms 23 Feb 2025 774th ZakkkkAttackkkk 🇵🇭 725 65 32ms 21 Dec 2021 774th bob-th 725 65 45ms 5 Aug 2022 774th btjones0 725 65 52ms 22 Nov 2022 774th falsidge 725 65 9ms 21 Jun 2023 778th ovs-code 🇩🇪 725 95 26ms 10 Jan 2023 779th dokutan 724 75 101ms 23 Jul 2025 780th lynn 723 87 118ms 7 Jul 2024 780th emgordon154 723 87 118ms 18 Feb 2025 780th edsrzf 🇳🇿 723 87 120ms 4 Mar 2025 780th DialFrost 🇸🇬 723 87 120ms 4 Apr 2025 780th acotis 723 87 113ms 15 Apr 2025 780th ovs-code 🇩🇪 723 87 121ms 20 Apr 2025 780th sean-niemann 🇺🇸 723 87 123ms 6 Jun 2025 780th kumavale 723 87 116ms 17 Aug 2025 788th dokutan 723 91 500ms 24 Sep 2025 789th phdphil 722 43 177ms 9 Apr 2018 790th edsrzf 🇳🇿 722 54 614ms 8 Sep 2025 791st RussellEmerine 721 80 138ms 30 Nov 2019 791st iczelia 🇩🇪 721 80 159ms 20 Oct 2025 793rd duckyluuk 🇳🇱 720 73 4ms 16 Dec 2024 794th yzhs 🇩🇪 719 38 35ms 21 Jun 2022 795th retrohun 719 69 8ms 3 Nov 2024 796th GrayJoKing 🇦🇺 717 53 1,018ms 13 Sep 2021 796th primo-ppcg 🇹🇭 717 53 1,005ms 22 Sep 2021 798th jakzo 716 69 14ms 5 Sep 2021 798th Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 800th GrayJoKing 🇦🇺 716 72 36ms 14 Jun 2022 First Prev 721–800 of 3,123 Next Last