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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]
It is an octagonal number [1] and a happy number. [2] 133 is a Harshad number, because it is divisible by the sum of its digits. 133 is a repdigit in base 11 (111) and base 18 (77), whilst in base 20 it is a cyclic number formed from the reciprocal of the number three. 133 is a semiprime: a product of two prime numbers, namely 7 and 19.
1 / 3. Donald Bitzer, NC State professor who brought plasma screens to the world, dies at 90. Donald Bitzer, co-inventor of the plasma screen, died on Dec. 10, 2024, in Cary, NC. He was 90 years old.
Fears, twice the SEC freshman of the week this season, shot 7 of 11 to eclipse his average of 18 points per game. The loss was the 12th straight for Prairie View (1-12), with its only win this ...
In four games with a 24+ point team total, Sutton averages 94 yards on 7.3 catches per game. This is truly a matchup for Sutton to exploit in Week 15. Calvin Ridley vs. CIN.
[1] [7] Subsequently, he invaded Văn Lang and founded the state of Âu Lạc in approximately 257 BCE, proclaiming himself King An Dương (An Dương Vương). [1] The story of An Dương Vương's origin in Nam Cương is considered suspect by some historians. The story was published in 1963 as a translation of a Tày story by Lã Văn Lô.
between 2008 and 2012, better performance than 9% of all directors The Patricia F. Russo Stock Index From January 2008 to December 2012, if you bought shares in companies when Patricia F. Russo joined the board, and sold them when she left, you would have a -55.2 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
The IPO was priced above the company's previously indicated range of $65 to $67 and values it at around $6.30 billion, according to Reuters calculations. The U.S. IPO market, which was impacted by ...