572

572 = 2 x 2 x 11 x 13.

572 is a number with exactly three prime digits (A092625).

572 is the smallest number that has equal numbers of every digit in base 2 (1000111100) and base 3 (210012) (A049354).

572 is 4242 in base 5. It is palindromic in base 3 (210012) (A014190) and base 15 (282).

572 is a number n such that n² (327184) contains exactly six different digits (A054034).

572 x 574 = 328328 (A116286).

572 is a divisor of 21⁴ - 1.

Source: What's Special About This Number?