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90 (number) - Wikipedia, the free encyclopedia (304 words) |
 | 90 is the natural number preceded by 89 and followed by 91. |
| Because 90 is the sum of its unitary divisors (excluding itself), it is a unitary perfect number. |
| And because 90 is divisible by the sum of its digits in base 10, it is a Harshad number. |
| The Bible UFO Connection - UFOs In History - 45,000 BC - 9 BC (1185 words) |
| BC China: From the book " Memories of the Sovereigns and the Kings " published in the 3rd century AD, in China, in the third millennium B.C., before the birth of Huang Ti or of Chi You, "sons from the sky", would descend to Earth on a star which was the shape of a saucer. |
| BC Rome: Glowing lamps were seen in the sky at Praeneste, a shield was observed at Arpi and in the Amiterno district, the sky was all on fire, and men in white garments appear. |
| BC "In the consulship of Gnaeus Octavius and Gaius Suetonius a spark was seen to fall from a star and increase in size as it approached the earth. |
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