Showing 1–20 of 1,000 ranked alternatives.
Staple Games, LLC
Play and solve puzzles
Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
Sven Freitag
Check numbers for primes and factors
Determine if a number is , find its factors, or check its position. Explore nearby primes and identify twin primes. Check ranges for primes and twin primes.
Sohei Mori
Factorize numbers and view divisors
Factorize integers up to 100 million into factors. Display , number of divisors, sum of divisors, and all divisors. Identify if the number is , , multi, abundant, or deficient.
Penchenat Romain
Check if a number is
Check if a number is . Find the next number. list of primes between two . Test device speed by searching for .
Blazej Stanek
Look up words, kanji, and names
Look up Japanese-English and English-Japanese words with over 170,000 entries and readings. Search instantly with character input or handwriting recognition. View example sentences and translations. Access stroke order for over 6,500 kanji.
Base Exponent ehf.
Solve puzzles with four numbers
Solve puzzles by combining four numbers with basic math operations to reach 10. Adjust equations using addition, subtraction, multiplication, and division. Track progress and replay previous challenges. Play anytime with one-handed controls.
BIGDOG GAMES CO., LIMITED
Link numbers, slide tiles, score points
Play a number linking game by sliding numbers in any of eight directions. Connect two same numbers to start a chain. Next numbers can be the same or double the previous. Score is the sum of all linked numbers. Game is free and suitable for all ages.
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