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 799th cbrt-x 731 79 137ms 15 Sep 2023 802nd albanian-laundromat 🇺🇸 730 84 108ms 22 Dec 2025 803rd Irratix 🇳🇱 727 41 2ms 1 Nov 2020 803rd primo-ppcg 🇹🇭 727 41 1ms 2 Nov 2020 803rd GrayJoKing 🇦🇺 727 41 1ms 27 Nov 2020 803rd KatieLG 🇬🇧 727 41 2ms 9 Dec 2020 803rd msbranicky 727 41 1ms 27 Jul 2023 803rd dokutan 727 41 2ms 11 Nov 2023 803rd AlephSquirrel 727 41 2ms 27 Jan 2025 810th NewDefectus 🇮🇱 727 68 10ms 16 Dec 2021 810th KrausRaus 🇺🇸 727 68 10ms 6 Jan 2026 812th ovs-code 🇩🇪 727 95 27ms 10 Jan 2023 813th msbranicky 726 60 397ms 17 Jan 2024 813th JunkIce 726 60 466ms 23 Feb 2025 815th dokutan 726 75 126ms 23 Jul 2025 816th edsrzf 🇳🇿 725 54 931ms 8 Sep 2025 816th albanian-laundromat 🇺🇸 725 54 816ms 12 Mar 2026 818th ZakkkkAttackkkk 🇵🇭 725 65 33ms 21 Dec 2021 818th bob-th 725 65 55ms 5 Aug 2022 818th btjones0 725 65 57ms 22 Nov 2022 818th falsidge 725 65 9ms 21 Jun 2023 818th madex 🇩🇪 725 65 9ms 3 days ago 823rd lynn 724 87 124ms 7 Jul 2024 823rd emgordon154 724 87 120ms 18 Feb 2025 823rd edsrzf 🇳🇿 724 87 126ms 4 Mar 2025 823rd DialFrost 🇸🇬 724 87 118ms 4 Apr 2025 823rd acotis 724 87 124ms 15 Apr 2025 823rd ovs-code 🇩🇪 724 87 119ms 20 Apr 2025 823rd sean-niemann 🇺🇸 724 87 128ms 6 Jun 2025 830th duckyluuk 🇳🇱 723 73 4ms 16 Dec 2024 831st phdphil 722 43 159ms 9 Apr 2018 832nd RussellEmerine 721 80 138ms 30 Nov 2019 832nd iczelia 🇩🇪 721 80 158ms 20 Oct 2025 834th retrohun 720 69 7ms 3 Nov 2024 835th yzhs 🇩🇪 719 38 35ms 21 Jun 2022 836th MeWhenI 🇻🇦 719 89 38ms 28 Aug 2024 837th GrayJoKing 🇦🇺 718 53 1,296ms 13 Sep 2021 837th primo-ppcg 🇹🇭 718 53 1,295ms 22 Sep 2021 839th GrayJoKing 🇦🇺 718 72 36ms 14 Jun 2022 839th primo-ppcg 🇹🇭 718 72 36ms 21 Jun 2022 841st duckyluuk 🇳🇱 717 60 2,317ms 26 Oct 2024 842nd ovs-code 🇩🇪 717 98 6ms 17 Mar 2023 843rd jakzo 716 69 13ms 5 Sep 2021 843rd Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 845th DialFrost 🇸🇬 716 76 117ms 26 Dec 2024 845th snoozingnewt 🇨🇦 716 76 127ms 29 Nov 2025 847th jared-hughes 716 88 115ms 10 Nov 2022 847th kgodara 716 88 128ms 11 Mar 2023 847th snoozingnewt 🇨🇦 716 88 113ms 29 Nov 2025 847th vang1ong7ang 716 88 116ms 6 days ago 851st Natanaelel 🇸🇪 715 32 43ms 22 Jul 2022 851st SirBogman 🇺🇸 715 32 44ms 10 Sep 2022 853rd emgordon154 715 87 473ms 8 Feb 2026 854th Yax42 🇫🇷 715 92 494ms 12 Nov 2025 855th namelessiw 714 61 493ms 5 Mar 2024 855th lifthrasiir 🇰🇷 714 61 518ms 2 Dec 2024 855th DialFrost 🇸🇬 714 61 470ms 26 Dec 2024 858th Attero 🇸🇪 714 66 53ms 25 Sep 2020 858th nstearns96 🇬🇧 714 66 20ms 15 Dec 2022 860th Laar 713 81 137ms 1 Apr 2019 860th alomiF 713 81 136ms 5 Oct 2023 860th brimstonetrader 713 81 115ms 26 Jan 2024 863rd MeWhenI 🇻🇦 712 92 5ms 2 Oct 2022 864th Alex-x90 🇺🇸 712 97 59ms 4 Dec 2022 864th Herbert00709 🇵🇱 712 97 60ms 8 Jun 2024 866th jusaka 712 182 1,450ms 5 days ago 867th KenanSi 710 31 3ms 24 Feb 2022 867th ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 869th sean-niemann 🇺🇸 706 61 2,257ms 30 Oct 2024 869th jkelly467 706 61 2,296ms 3 Nov 2025 871st GrayJoKing 🇦🇺 706 70 10ms 20 Sep 2021 871st 0x24a537r9 706 70 12ms 10 Sep 2022 871st TRexOnGit 706 70 10ms 2 May 2025 871st Protothor 706 70 10ms 9 Jul 2025 875th GrayJoKing 🇦🇺 705 72 1ms 9 Apr 2022 876th m-tkach 🇺🇦 705 98 54ms 9 Mar 2023 876th annaproxy 705 98 57ms 22 Oct 2023 878th msbranicky 705 185 10ms 29 Aug 2023 879th Shanethegamer 🇺🇸 704 54 1,255ms 13 Sep 2021 880th jared-hughes 704 82 116ms 11 Sep 2023 First Prev 801–880 of 3,300 Next Last