Here's what I have learned today about 452:
- It is an integer, even number, rational number and a composite number.
- Here are its factors: 452 x 1, 226 x 2 and 113 x 4 (113 is a prime number)
- Here are some of its multiples: 452, 904, 1356, 1808, 2260, 2712, 3164, 3616, 4068, 4520, 4972, 5424, etc.
- 452 is CDLII (or CCCCLII) in Roman Numerals
- 452 is NOT an area code for US telephones, but is the international code for Vietnam
- It's the number of a very nice Lego Lunar Exploration Set. I don't have one but it looks fun.
- It's the model number of an enormous vacuum cleaner that you can attach to your riding lawn-mower (this image looks a bit like the Lego set, doesn't it?).
- It's the model number of a steam locomotive which has a vacuum attached to its front end; currently being used to clean up tracks in India. [Click image to enlarge]
- A P0452 code is a diagnostic trouble code in your car. It's related to the fuel vapor recovery system in your fuel tank. A fuel tank pressure sensor responds to changes in the tank's pressure or vacuum so your engine management system can detect leaks in your car's fuel system. A loose fuel filler cap is a common accidental cause of this code.
- 452 is the Gulfstream serial number for this private jet, which is currently for sale. It does not have a central vacuum system.
- 452 is a bus route in London, England.
And finally, here's one last vacuum-free 452 relationship:
- Regulation 452 is the Family Medical Leave Act (FMLA) which allows up to 12 weeks of unpaid leave every 12 months to eligible employees (employed for a total of 12 months and worked 1,250 hours in the year prior to the date of leave). The employer must have at least 50 workers within a 75 mile radius of the employee's workplace. Primary reasons for FMLA leave are (1) employee has a serious health condition; (2) to care for a serious health condition of spouse, child, or parent; or (3) maternity or paternity leave.