Happy Numbers in all languages in bytes. 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 Bytes Time Submitted 481st sisyphus-ppcg 🇦🇺 915 91 1ms 18 May 2022 481st ovs-code 🇩🇪 915 91 1ms 20 May 2022 481st inventshah 915 91 1ms 4 Jun 2022 481st nwellnhof 🇩🇪 915 91 1ms 8 Jul 2022 481st saito-ta 🇯🇵 915 91 1ms 3 Oct 2022 481st retrohun 915 91 1ms 30 Apr 2023 481st btnlq 915 91 1ms 17 May 2023 481st kritixilithos 915 91 1ms 22 May 2024 489th MeWhenI 🇻🇦 913 62 124ms 11 Nov 2021 490th edsrzf 🇳🇿 912 61 1,071ms 15 Sep 2025 490th sean-niemann 🇺🇸 912 61 976ms 16 Sep 2025 490th DialFrost 🇸🇬 912 61 963ms 12 Nov 2025 490th Yewzir 🇧🇪 912 61 1,173ms 16 Nov 2025 490th Steffan153 🇫🇮 912 61 855ms 14 Feb 2026 490th dokutan 912 61 879ms 27 days ago 496th sisyphus-ppcg 🇦🇺 912 91 1ms 20 Jul 2022 496th UnderKoen 🇳🇱 912 91 2ms 6 Mar 2023 496th m-tkach 🇺🇦 912 91 1ms 9 Mar 2023 496th Lydxn 🇨🇦 912 91 2ms 19 Jul 2023 500th sisyphus-ppcg 🇦🇺 911 77 3ms 3 Feb 2023 501st Shanethegamer 🇺🇸 910 63 71ms 18 May 2022 501st Yewzir 🇧🇪 910 63 72ms 9 Nov 2023 501st Betuaredead 910 63 70ms 13 Nov 2023 501st albanian-laundromat 🇺🇸 910 63 71ms 8 Nov 2025 501st snoozingnewt 🇨🇦 910 63 71ms 6 Dec 2025 506th Steffan153 🇫🇮 910 72 2ms 26 Feb 2026 506th JayXon 🇺🇸 910 72 2ms 13 days ago 508th Lydxn 🇨🇦 910 74 37ms 14 Jul 2021 508th JayXon 🇺🇸 910 74 38ms 20 Aug 2021 508th stefangimmillaro 910 74 39ms 22 Apr 2023 511th dvargas46 🇺🇸 909 55 53ms 15 Nov 2022 512th pihart 909 66 10ms 22 Jun 2020 512th Argeento 🇵🇱 909 66 14ms 13 Nov 2020 512th ovs-code 🇩🇪 909 66 11ms 29 Jul 2024 512th Lv0Sys 🇵🇱 909 66 10ms 29 Nov 2025 516th Waffle3z 908 74 1ms 9 Jul 2021 517th fuzzylojik-golf 🇺🇸 908 81 373ms 7 Sep 2025 518th Lydxn 🇨🇦 908 85 458ms 27 Feb 2022 518th JayXon 🇺🇸 908 85 462ms 28 Feb 2022 518th GrayJoKing 🇦🇺 908 85 462ms 13 Mar 2022 521st anter69 🇭🇺 907 55 1,259ms 10 Mar 2025 522nd MeWhenI 🇻🇦 907 67 4ms 16 Dec 2024 522nd Yewzir 🇧🇪 907 67 5ms 20 Dec 2024 522nd GrayJoKing 🇦🇺 907 67 5ms 31 Jan 2025 525th prplz 🇦🇺 907 75 145ms 12 Oct 2021 525th YAJUE114514 907 75 139ms 30 Jul 2025 527th Yax42 🇫🇷 907 92 494ms 12 Nov 2025 528th frankgraziano 907 144 10ms 11 Aug 2025 528th primo-ppcg 🇹🇭 907 144 10ms 13 Aug 2025 528th DialFrost 🇸🇬 907 144 9ms 13 Aug 2025 531st sisyphus-ppcg 🇦🇺 906 64 73ms 12 Dec 2022 531st Lydxn 🇨🇦 906 64 73ms 13 Dec 2022 531st ovs-code 🇩🇪 906 64 70ms 21 Apr 2024 531st DialFrost 🇸🇬 906 64 74ms 20 Feb 2025 531st sean-niemann 🇺🇸 906 64 72ms 20 Feb 2025 531st snoozingnewt 🇨🇦 906 64 71ms 29 Nov 2025 537th Steffan153 🇫🇮 906 91 27ms 28 Jan 2023 537th GrayJoKing 🇦🇺 906 91 28ms 28 Jan 2023 537th Lydxn 🇨🇦 906 91 27ms 28 Jan 2023 537th m-tkach 🇺🇦 906 91 28ms 18 Jan 2024 537th sean-niemann 🇺🇸 906 91 27ms 19 May 2025 542nd MeWhenI 🇻🇦 905 65 6ms 12 Dec 2023 543rd canissimia 🇦🇶 905 194 4ms 21 Sep 2021 544th lynn 904 79 1ms 2 Oct 2021 544th MeWhenI 🇻🇦 904 79 2ms 21 Jun 2022 544th m-tkach 🇺🇦 904 79 1ms 9 Mar 2023 544th ovs-code 🇩🇪 904 79 2ms 24 Mar 2024 544th xsot 🇸🇬 904 79 1ms 23 May 2024 544th DialFrost 🇸🇬 904 79 10ms 17 Dec 2024 550th janbehrens 🇩🇪 903 70 4ms 26 Nov 2023 551st emplv 🇱🇻 903 77 146ms 14 Mar 2023 552nd Lydxn 🇨🇦 903 91 26ms 16 Apr 2022 552nd JayXon 🇺🇸 903 91 24ms 17 Apr 2022 552nd m-tkach 🇺🇦 903 91 24ms 9 Mar 2023 555th rucin93 🇵🇱 902 64 144ms 6 Sep 2024 556th edsrzf 🇳🇿 902 92 2ms 24 Feb 2026 557th juliansiebert 🇩🇪 901 55 284ms 31 Jul 2022 558th tailorspy 901 96 58ms 22 Sep 2024 559th edsrzf 🇳🇿 899 63 137ms 24 Feb 2026 560th MeWhenI 🇻🇦 899 75 4ms 22 Mar 2024 First Prev 481–560 of 3,245 Next Last