Prime Cracker
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.
Showing 1–20 of 1,000 ranked alternatives.
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.
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 .
Eirik Berntsen
Find rhymes and view definitions
Find rhymes for any word and view their definitions. Search for words that with a given word. Useful for writing songs, poems, and rap battles.
Anton Vinokurov
Play 3D and swipe to view
Play in 3D or 2D with adjustable difficulty levels. View the board from any angle by swiping. Challenge AI opponents, play against real players online, or compete against friends. Track game progress and learn strategies for beginners.
ikeda tomoki
Learn numbers by tapping and swiping
Identify numbers by tapping and non- numbers by swiping. Non- numbers decompose into -like segments. Track scores and compete globally. Includes background music.
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.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.