292 (number) explained

Number:	292
Divisor:	1, 2, 4, 73, 146, 292

292 is the natural number following 291 and preceding 293.

In mathematics

• 292 is an even composite number with two prime factors.^[1]
• 292 is a noncototient number meaning that phi(x) cannot result in 292.^[2]
• 292 is an untouchable number meaning that the proper divisors of any number do not add up to 292.
• 292 is a repdigit in base 8 with it being 444.
• In the simplified continued fraction for pi, 292 is the 5th number.^[3]

World Records

• Between December 16, 2021, and March 15, 2022, Arnaud Clein watched a grand total of 292 times with a total run time of 720 hours.^[4]
• On May 30, 2016, in Tokyo, Japan, the greatest number of people using vacuum cleaners was achieved with 292 participants.^[5]
• On April 23, 2019, the largest Shakespeare recital was completed in London. There were 292 participants.^[6]
• On December 19, 2010, the Guinness World Record for the longest paper airplane flight time was 29.2 seconds achieved in Fukuyama City, Japan.^[7]

Other fields

• The calendar years 292 AD and 292 BC.
• 292 is the number for several highways across the countries of Japan and the United States.
• 292 Ludovica is an asteroid in the asteroid belt. It was discovered by Johann Palisa in Vienna.^[8]

Notes and References

1. Web site: Facts about the integer. mathworld.wolfram.com.
2. k has no solution.
3. Web site: Pi Continued Fraction. mathworld.wolfram.com.
4. Web site: 292 views of Spider-Man: No Way Home. www.guinnessworldrecords.com.
5. Web site: 292 people using vacuum cleaners simultaneously. www.guinnessworldrecords.com.
6. Web site: 292 person Shakespeare recital. www.guinnessworldrecords.com.
7. Web site: 29.2 second long paper airplane flight. www.guinnessworldrecords.com.
8. Web site: 292 Ludovica information. in-the-sky.org.