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 751st trist224 🇫🇷 736 64 9ms 15 Nov 2022 752nd Shanethegamer 🇺🇸 733 30 3ms 13 Jan 2022 753rd MeWhenI 🇻🇦 733 76 37ms 16 May 2023 754th SirBogman 🇺🇸 731 45 236ms 7 Jan 2024 755th prplz 🇦🇺 731 86 119ms 30 Apr 2022 755th pardouin 🇫🇷 731 86 120ms 24 Aug 2024 757th treeowl 730 79 135ms 27 Feb 2019 757th user189032 730 79 136ms 29 May 2019 757th cbrt-x 730 79 137ms 15 Sep 2023 760th emplv 🇱🇻 729 93 25ms 29 Jun 2022 761st NewDefectus 🇮🇱 727 68 9ms 16 Dec 2021 762nd dokutan 727 90 3ms 12 Feb 2025 763rd Irratix 🇳🇱 726 41 3ms 1 Nov 2020 763rd primo-ppcg 🇹🇭 726 41 1ms 2 Nov 2020 763rd GrayJoKing 🇦🇺 726 41 2ms 27 Nov 2020 763rd KatieLG 🇬🇧 726 41 2ms 9 Dec 2020 763rd msbranicky 726 41 1ms 27 Jul 2023 763rd dokutan 726 41 2ms 11 Nov 2023 763rd AlephSquirrel 726 41 2ms 27 Jan 2025 770th msbranicky 725 60 402ms 17 Jan 2024 770th JunkIce 725 60 363ms 23 Feb 2025 772nd ZakkkkAttackkkk 🇵🇭 725 65 32ms 21 Dec 2021 772nd bob-th 725 65 45ms 5 Aug 2022 772nd btjones0 725 65 52ms 22 Nov 2022 772nd falsidge 725 65 9ms 21 Jun 2023 776th ovs-code 🇩🇪 725 95 26ms 10 Jan 2023 777th dokutan 724 75 99ms 23 Jul 2025 778th lynn 723 87 118ms 7 Jul 2024 778th emgordon154 723 87 118ms 18 Feb 2025 778th edsrzf 🇳🇿 723 87 120ms 4 Mar 2025 778th DialFrost 🇸🇬 723 87 120ms 4 Apr 2025 778th acotis 723 87 113ms 15 Apr 2025 778th ovs-code 🇩🇪 723 87 121ms 20 Apr 2025 778th sean-niemann 🇺🇸 723 87 123ms 6 Jun 2025 778th kumavale 723 87 116ms 17 Aug 2025 786th dokutan 723 91 500ms 24 Sep 2025 787th phdphil 722 43 178ms 9 Apr 2018 788th edsrzf 🇳🇿 722 54 614ms 8 Sep 2025 789th RussellEmerine 721 80 138ms 30 Nov 2019 789th iczelia 🇩🇪 721 80 159ms 20 Oct 2025 791st duckyluuk 🇳🇱 720 73 4ms 16 Dec 2024 792nd yzhs 🇩🇪 719 38 35ms 21 Jun 2022 793rd retrohun 719 69 7ms 3 Nov 2024 794th GrayJoKing 🇦🇺 717 53 1,018ms 13 Sep 2021 794th primo-ppcg 🇹🇭 717 53 1,005ms 22 Sep 2021 796th jakzo 716 69 14ms 5 Sep 2021 796th Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 798th GrayJoKing 🇦🇺 716 72 36ms 14 Jun 2022 798th primo-ppcg 🇹🇭 716 72 37ms 21 Jun 2022 800th MeWhenI 🇻🇦 716 89 41ms 28 Aug 2024 801st ovs-code 🇩🇪 716 98 7ms 17 Mar 2023 802nd Natanaelel 🇸🇪 715 32 43ms 22 Jul 2022 802nd SirBogman 🇺🇸 715 32 42ms 10 Sep 2022 804th duckyluuk 🇳🇱 715 60 2,806ms 26 Oct 2024 805th DialFrost 🇸🇬 715 76 98ms 26 Dec 2024 805th snoozingnewt 🇨🇦 715 76 96ms 13 days ago 807th Yax42 🇫🇷 715 92 413ms 12 Nov 2025 808th Attero 🇸🇪 714 66 51ms 25 Sep 2020 808th nstearns96 🇬🇧 714 66 16ms 15 Dec 2022 810th jared-hughes 714 88 118ms 10 Nov 2022 810th kgodara 714 88 118ms 11 Mar 2023 810th snoozingnewt 🇨🇦 714 88 115ms 13 days ago 813th namelessiw 713 61 328ms 5 Mar 2024 813th lifthrasiir 🇰🇷 713 61 335ms 2 Dec 2024 813th DialFrost 🇸🇬 713 61 327ms 26 Dec 2024 816th Laar 712 81 137ms 1 Apr 2019 816th alomiF 712 81 136ms 5 Oct 2023 816th brimstonetrader 712 81 115ms 26 Jan 2024 819th MeWhenI 🇻🇦 711 92 5ms 2 Oct 2022 820th Alex-x90 🇺🇸 711 97 54ms 4 Dec 2022 820th Herbert00709 🇵🇱 711 97 54ms 8 Jun 2024 822nd KenanSi 710 31 3ms 24 Feb 2022 822nd ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 824th GrayJoKing 🇦🇺 706 70 10ms 20 Sep 2021 824th 0x24a537r9 706 70 12ms 10 Sep 2022 First Prev 751–825 of 3,122 Next Last