1590

1590 = 2 x 3 x 5 x 53.

1590 is 818 in base 14 and 636 in base 16.

1590 is a heptadecagonal number (A051869).

1590 is a number n such that 2n + 1, 4n + 1, and 8n+ 1 are all primes (A124041).

1590 is the sum of eight nonzero 6th powers (A003364).

1590 divides 23⁴ - 1.

Source: OEIS