NumDic
Unlock the hidden secrets, fascinating properties, and mathematical beauty of every number, from ancient numerals to modern computational theory.
Try these examples
6 Perfect
121 Palindromic
13 Fibonacci
17 Layland
10 Triangular
31 Gaussian Prime
18 Harshad
45 Kaprekar
3 Twin Prime
4 Smith
16 Fourth Power
12 Abundant
111 Repunit
10 Duck
25 Automorphic
7 Happy
24 Factorial
5 Fermat
153 Narcissistic
123456789 Pandigital
69 Strobogrammatic
25 Trimorphic
512 Dudeney
128 Zuckerman
11 Lucas
42 Catalan
8 Refactorable
9 Powerful
22 Hoax