2051

2051 = 7 x 293.

2051 is the sum of five positive fifth powers: 2051 = 1⁵ + 1⁵ + 1⁵ + 4⁵ + 4⁵.

2051 is an odd number with exactly three 1s in its binary expansion: 100000000011.

A total lunar eclipse will occur on Oct. 19, 2051, as the moon passes through the center of Earth's shadow.

Source: On-Line Encyclopedia of Integer Sequences