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7 is the only number D for which the equation 2 n − D = x 2 has more than two solutions for n and x natural. In particular, the equation 2 n − 7 = x 2 is known as the Ramanujan–Nagell equation. 7 is one of seven numbers in the positive definite quadratic integer matrix representative of all odd numbers: {1, 3, 5, 7, 11, 15, 33}. [19] [20]
1/2 teaspoon kosher salt, plus more to taste if desired. 1/2 teaspoon fresh cracked black pepper. For the dumplings: 3/4 cup all-purpose flour. 1/4 cup yellow cornmeal. 1/2 teaspoon baking soda.
39 is the sum of five consecutive primes (3 + 5 + 7 + 11 + 13) and also is the product of the first and the last of those consecutive primes. Among small semiprimes only three other integers (10, 155, and 371) share this attribute. 39 also is the sum of the first three powers of 3 (3 1 + 3 2 + 3 3). Given 39, the Mertens function returns 0. [4]
7th Grade Civil Servant (Korean: 7급 공무원; Hanja: 七級 公務員; RR: 7geup Gongmuwon; MR: 7kŭp Kongmuwŏn) is a 2013 South Korean television series starring Choi Kang-hee and Joo Won as rookie spies who trained together, and later become NIS agents who must hide their real identities from each other even as they fall in love.
No. 7 Green Bay Packers at No. 2 Philadelphia Eagles (Sunday, 4:30 p.m. ET, FOX) The health of Jalen Hurts (still in the concussion protocol) is the determining factor in this ranking.
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Thirty-Nine [1] [2] (Korean: 서른, 아홉; RR: Seoreun, Ahop) is a 2022 South Korean television series directed by Kim Sang-ho and starring Son Ye-jin, Jeon Mi-do, and Kim Ji-hyun. The series remake of Chinese Drama Nothing But Thirty [ citation needed ] revolves around the life, friendship, romances, and love of three friends who are about ...
Prosecutors say they will take no further action against a man who was arrested on suspicion of blackmailing TV presenter Alison Hammond. A 36-year-old from Warwickshire was arrested and later ...