|
14 June
Events Pre-1600 * 1158 – The city of Munich is founded by Henry the Lion on the banks of the river Isar. * 1216 – First Barons' War: Prince Louis of France takes the city of Winchester, abandoned by John, King of England, and soon conquers over half of the kingdom. * 1276 – While in exile in Fuzhou, away from the advancing Mongol invaders, the remnants of the Song dynasty court hold the coronation ceremony for Emperor Duanzong. * 1285 – Second Mongol invasion of Vietnam: Forces led by Prince Trần Quang Khải of the Trần dynasty destroy most of the invading Mongol naval fleet in a battle at Chuong Duong. * 1287 – Kublai Khan defeats the force of Nayan and other traditionalist Borjigin princes in East Mongolia and Manchuria. * 1381 – Richard II of England meets leaders of the Peasants' Revolt at Mile End. The Tower of London is stormed by rebels who enter without resistance. * 1404 – Welsh rebel leader Owain Glyndŵr, havin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
14 (number)
14 (fourteen) is the natural number following 13 (number), 13 and preceding 15 (number), 15. Mathematics Fourteen is the seventh composite number. Properties 14 is the third distinct semiprime, being the third of the form 2 \times q (where q is a higher prime). More specifically, it is the first member of the second cluster of two discrete semiprimes (14, 15 (number), 15); the next such cluster is (21 (number), 21, 22 (number), 22), members whose sum is the fourteenth prime number, 43 (number), 43. 14 has an aliquot sum of 10 (number), 10, within an aliquot sequence of two composite numbers (14, 10 (number), 10, 8 (number), 8, 7 (number), 7, 1 (number), 1, 0) in the prime 7-aliquot tree. 14 is the third Pell number, companion Pell number and the fourth Catalan number. It is the lowest even n for which the Euler totient \varphi(x) = n has no solution, making it the first even nontotient. According to the Shapiro inequality, 14 is the least number n such that there exist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
