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80,000 (eighty thousand) is the natural number that comes after 79,999 and before 80,001. ==Selected numbers== * 80000 – round number * 80286 – model number of the Intel 80286 chip * 80386 – model number of the Intel 80386 chip * 80486 – model number of the Intel 80486 chip * 80782 – Pell number ''P''14 * 82000 – the only number greater than 2 that can be written from base 2 to base 5 using only 0's and 1's.〔Sequence (A146025 ) in The On-Line Encyclopedia of Integer Sequences〕 * 82656 – Kaprekar number: 826562 = 6832014336; 68320 + 14336 = 82656 * 82944 - 3-smooth number: 210 × 34 * 83160 – highly composite number * 83521 – 174 * 85085 - product of five consecutive primes: 5×7×11×13×17 * 85184 – 443 * 86400 – seconds in a day: 24 × 60 × 60 * 87360 – unitary perfect number * 88888 – repdigit 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「80000 (number)」の詳細全文を読む スポンサード リンク
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