Numbers

一個數字財產的應用

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Numbers is an application to view/check various properties of a number. At present here a list of what's available:

Apocalyptic power

Automorphic (curious)

Abundant,perfect,deficient

Cube

Divisors

Practical

Powerful

Even,odd

Evil,odious

Pentagonal

Repunit

Tetrahedral (pyramidal)

Catalan

Pronic (heteromecic)

Lazy caterer

Square-free

Power of 2

Smith

Happy

Narcissistic (Plus Perfect)

Palindrome

Palindrome prime

Prime,composite

Square

Triangular

Twin prime

Undulating