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50,000 (fifty thousand) is the natural number that comes after 49,999 and before 50,001. ==Selected numbers from 50,000 to 59,999== * 50,000 – round number * 50,400 – highly composite number * 50,625 – 154, smallest fourth power that can be expressed as the sum of only five distinct fourth powers, palindromic in base 14 (1464114) * 50,653 – 373, palindromic in base 6 (10303016) * 51,076 – 2262, palindromic in base 15 (1020115) * 51,641 – Markov number * 51,984 – 2282 = 373 + 113. the smallest square to the sum of only five distinct fourth powers. * 52,375 – Address of the office building in the Counter-Strike map * 52,633 – Carmichael number * 53,016 – pentagonal pyramidal number * 53,361 – sum of the cubes of the first 21 positive integers * 54,205 – Zeisel number * 54,748 – narcissistic number * 54,872 – 383, palindromic in base 9 (832389) * 54,901 – chiliagonal number * 55,440 – superior highly composite number; colossally abundant number * 55,459 – one of six remaining Seventeen or Bust numbers in the Sierpinski problem * 55,860 – harmonic divisor number * 56,011 – Wedderburn-Etherington number * 56,092 – the number of groups of order 256, see () * 56,169 – 2372, palindromic in octal (155518) * 56,448 – pentagonal pyramidal number * 57,121 – 2392, palindromic in base 14 (16B6114) * 58,081 – 2412, palindromic in base 15 (1232115) * 58,367 – smallest integer that cannot be expressed as a sum of fewer than 1079 tenth powers * 58,786 – Catalan number * 59,049 – 310 * 59,081 – Zeisel number * 59,319 – 393 * 59,536 – 2442, palindromic in base 11 (4080411) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「50000 (number)」の詳細全文を読む スポンサード リンク
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