- 50 (number) - Wikipedia
50 (fifty) is the natural number following 49 and preceding 51 Fifty is the smallest number that is the sum of two non-zero square numbers in two distinct ways [1] 50 is an unsigned Stirling number of the first kind [2] and a Narayana number [3] Look up fifty in Wiktionary, the free dictionary
- . 50 BMG - Wikipedia
The 50 BMG ( 50 Browning Machine Gun), also known as 12 7 × 99mm NATO, and designated as the 50 Browning by the C I P , [2] is a 50 in (12 7 mm) caliber cartridge developed for the M2 Browning heavy machine gun in the late 1910s, entering official service in 1921
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- 50(自然数之一)_百度百科
50是介于49与51之间的自然数,属于偶数、合数,质因数分解为2×5²。 其数学特性显著:为第39个亏数、第23个哈沙德数、第24个奢侈数,也是能用两种不同方式表示为平方数之和的最小自然数(1²+7²=5²+5²)。
- 50 - Wiktionary, the free dictionary
50 (previous 49, next 51) The cardinal number fifty
- 50 (number) - Simple English Wikipedia, the free encyclopedia
50 (fifty) is the integer that is after forty-nine and before fifty-one The prime factors of fifty are 2 and 5 (2 * 5 * 5 = 50) The factors of 50 are 1, 2, 5, 10, 25, and 50 5*10=50 50 is the smallest number that can be written as the sum of two squares in two distinct ways: 50=1 2 +7 2 =5 2 +5 2
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Discover the best restaurants, bars, hotels and vineyards in the world through rankings and stories Formerly 50 Best
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