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A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem , there are an infinite number of prime numbers. Subsets of the prime numbers may be generated with various formulas for primes .
Number ones. The Bee Gees scored the most number-one hits (9 songs) and had the longest cumulative run atop the Billboard Hot 100 chart (27 weeks) during the 1970s. Rod Stewart remained at the top of the Billboard Hot 100 chart for 17 weeks during the 1970s. Elton John amassed the second-most number-one hits on the Hot 100 chart during the ...
Since the office was established in 1789, 45 men have served in 46 presidencies. The first president, George Washington, won a unanimous vote of the Electoral College. [ 4] Grover Cleveland served two non-consecutive terms and is therefore counted as the 22nd and 24th president of the United States, giving rise to the discrepancy between the ...
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Total executive orders Order number range Years in office Executive orders per year Period 1: George Washington: Unaffiliated 8 unnumbered 7.95 1.0 April 30, 1789 – March 4, 1797 2: John Adams: Federalist 1 unnumbered 4 0.3 March 4, 1797 – March 4, 1801 3: Thomas Jefferson: Democratic-Republican 4 unnumbered 8 0.5 March 4, 1801 – March 4 ...
So, 6 is a perfect number because the proper divisors of 6 are 1, 2, and 3, and 1 + 2 + 3 = 6. [2] [4] There is a one-to-one correspondence between the Mersenne primes and the even perfect numbers, but it is unknown whether there exist odd perfect numbers or not. This is due to the Euclid–Euler theorem, partially proved by Euclid and ...
1 September 1, 1939 Plan of Attack on Poland Invasion of Poland [1] 2 September 3, 1939 Hostilities in the West 3 September 9, 1939 Transfer of Forces from Poland to the West 4 September 25, 1939 Finishing the War in Poland 5 September 30, 1939 Partition of Poland, removing restrictions on naval warfare. 6 October 9, 1939
CV-6 Enterprise: Yorktown: 12 May 1938 17 February 1947 8 years, 281 days Scrapped in 1960 [20] CV-7 Wasp: Wasp (lead ship) 25 April 1940 15 September 1942 2 years, 143 days Sunk during the Guadalcanal campaign in 1942 [21] CV-8 Hornet: Yorktown: 20 October 1941 27 October 1942 1 year, 7 days Sunk in the Battle of the Santa Cruz Islands in 1942 ...