8518

8518 = 2 x 4259.

8518 is 6444 in base 11.

It takes 11 steps of the "reverse and add" algorithm to reach a palindrome: 8518; 8518 + 8158 = 16676;16676 + 67661 = 84337; . . . 1771331771.

183 x 2⁸⁵¹⁸ - 1 is a prime number.

LEGO product 8518 is the Ben 10 Alien Force Jet Ray.

Source: On-Line Encyclopedia of Integer Sequences

2096

2096 = 2⁴ x 131.

2096 is 2212122 in base 3, 200300 in base 4, and 4060 in base 8.

2096 is a number such that n² + 1 and n² + 3 are both primes.

2096 is the sum of four nonzero squares in exactly nine ways.

2096 is a year in which there will be five Wednesdays in the month of February. This last occurred in the year 1984 and will happen again in 2012.

Source: On-Line Encyclopedia of Integer Sequences

596

596 = 2² x 149.

596 has a representation as a sum of two squares: 596 = 14² + 20².

596 is the maximum number of regions into which 34 lines divide the plane.

596 is the number of Hamiltonian cycles of a 4 x 9 rectangle graph.

596 was the code name for China's first nuclear weapons test, detonated Oct. 16, 1964.

Source: What's Special About This Number?

961

961 = 31². It is a perfect square.

961 is the largest square with strictly decreasing digits. It is also the largest prime power of a prime with strictly decreasing digits.

The digits of 961 can be rearranged to give two other squares: 169 = 13² and 196 = 14².

961 is 12321 in base 5 and 4241 in base 6.

961 beer is brewed in Beirut, Lebanon.

Source: Number Gossip

705

705 = 3 x 5 x 47.

705 is the smallest Lucas psuedoprime.

705 is a rhombic matchstick number: n(3n + 2) for n = 15.

705 is an odd interprime because it lies at the midpoint between two consecutive odd primes, 701 and 709.

The IBM 705 was one of the most powerful data processing systems available in the mid-1950s.

Source: On-Line Encyclopedia of Integer Sequences

208

208 = 2⁴ x 13.

208 has a representation as a sum of two squares: 208 = 8² + 12².

208 = 2⁸ - 48.

208 is a divisor of 25² - 1.

208 = 2² + 3² + 5² + 7² + 11².

208 is the telephone area code for the state of Idaho.

Source: Prime Curios!

3892

3892 = 2² x 7 x 139.

3892 has the representation 2⁴ x 3⁵ + 4.

3892 is a divisor of 43⁶ - 1.

3892 is 30004 in base 6 and 7464 in base 8.

The 3892nd triangular number contains only the digits 5, 7, and 8: 7575778.

The asteroid 3892 Dezsö was discovered in 1941.

Source: On-Line Encyclopedia of Integer Sequences