807

807 = 3 x 269.

807!/708! - 1 is a prime number.

807 and 807² = 651,249 combined use different digits.

807 is the sum of two pentagonal numbers in exactly two ways: 807 = 715 + 92 = 477 + 330.

807 is the sum of 13 positive fifth powers.

Telephone area code 807 covers the northwestern portion of the province of Ontario.

Source: Prime Curios!