Platonic numbers - number of Plato

Japanese: プラトン数 - プラトンすう(英語表記)number of Plato
Platonic numbers - number of Plato
A representative example of a sacred number in the West, it is 12,960,000. It is mentioned in Book 8 of Plato's Republic, and the following interpretation, represented by J. Adam, is the most popular: 12,960,000 = 216 x 60,000, where 216 is said to represent the shortest number of days a human can remain in the womb. 216 can be rewritten as 3 3 + 4 3 + 5 3 , 6 3 , or 35 x 6 + 6, which also show that 216 is the sum of the cubes of 3, 4, and 5, numbers that have been respected since the Pythagorean school as numbers representing the elements of the universe, the cube of the marriage number 6 (3 men x 2 women), and the sum of 6 times the harmonic number 35 (6 + 8 + 9 + 12) and the marriage number 6.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
西洋における聖数の代表例で,12960000をいう。プラトンの《国家》第8巻に言及があることに由来し,アダムJ.Adamに代表される次のような解釈が有力である。すなわち,12960000=216×60000であり,ここで216は人間が母胎にとどまる最短の日数を示すとされる。216はさらに,33+43+53,63,35×6+6の形に書き直せるが,これらはそれぞれ216が,ピタゴラス学派以来宇宙の要素を表す数として尊重された3,4,5の3乗の和,結婚数6(男性数3×女性数2)の3乗,調和数35(6+8+9+12)の6倍と結婚数6の和であることをも示す。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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