1833

1833 = 3 x 13 x 47.

1833 is the first of two consecutive sphenic numbers (A215217).

The 1833rd triangular number is palindromic (A008509): 1680861.

1833 is the start of the first run of exactly 7 consecutive odd composite numbers (A075067).

1833 divides 95⁶ - 1.

Source: OEIS