287 is the natural number following 286 and preceding 288.
In mathematics
287 is an odd composite number with 2 prime factors. 287 is the sum of consecutive primes in three different ways, 89+97+101, 43+53+59+61+67, and 17+19+23+29+31+37+41+43+47 287 is a pentagonal number which follows the concept of triangular numbers. 287 is an odd semiprime number. 287 is the sum of exactly 4 nonzero squares. 287 is a number where 2(287)-1 and 2(287)+1 are both prime.
World Records
On November 15, 2012, in the United Kingdom, the largest toy construction lesson was achieved with 287 participants. On August 8, 2018, in Japan, the largest blind soccer (football) lesson was completed with 287 members. On February 28, 2020, the largest Welsh folk dance was completed in Swansea in the United Kingdom. There were 287 participants. On June 20, 2009, Bora Milutinović completed the Guinness World Record for the greatest number of international soccer matches a coach has been in charge of. He was at 287 games. On December 20, 2020, the largest group of people dressed as the sun was completed in Guangzhou, China. There were 287 participants.
Other fields
The calendar years 287 AD and 287 BC. 287 is the number of several highways in Brazil, Canada, Japan, and the United States. 287 Nephthys is an S-type asteroid in the asteroid belt. It was discovered by Christian Heinrich Friedrich Peters in Clinton, Oneida County, New York. It was named after Nephthys in Egyptian mythology.