**1441**= 11 x 131.

All the divisors of

**1441**are palindromic (A062687): 1, 11, 131, and

**1441**.

**1441**is a palindrome with exactly two prime factors (A046328).

**1441**is a palindrome in base 10 and in base 6 (10401) (A029963).

**1441**is a star number (or centered dodecagonal number) (A003154).

**1441**is a concentric hexagonal number (A032528).

**1441**is a number

*n*such that 6

*n*+ 1, 12

*n*+ 1, and 18

*n*+ 1 are all primes (A046025).

Source: What's Special About This Number?