275 (number)
| ||||
|---|---|---|---|---|
| Cardinal | two hundred seventy-five | |||
| Ordinal | 275th (two hundred seventy-fifth) | |||
| Factorization | 52 × 11 | |||
| Divisors | 1, 5, 11, 25, 55, 275 | |||
| Greek numeral | ΣΟΕ´ | |||
| Roman numeral | CCLXXV | |||
| Binary | 1000100112 | |||
| Ternary | 1010123 | |||
| Senary | 11356 | |||
| Octal | 4238 | |||
| Duodecimal | 1AB12 | |||
| Hexadecimal | 11316 | |||
275 (two hundred [and] seventy-five) is the natural number following 274 and preceding 276.
In mathematics
- 275 is an odd composite number with 2 prime factors.[1]
- 275 is equivalent to the number of positive integers.[2]
- 275 is the sum of fifth primes(2^5 + 3^5 = 275).
- 275 is the maximum number of pieces made by cutting an annulus with 22 cuts.[3]
- 275 is the smallest non semiprime that follows the equations n>1 and the greatest common denominator of n and b^n-b is 1 for some value of b.[4]
World Records
- In May 2011, best-selling app in the Apple App Store.[5]
- On November 14, 2007, the Guinness World Record for the greatest number of people dressed as mobile phones at 275 people. It was completed in Puerto Rico.[6]
- On April 11, 2015, the largest welding lesson was completed in Willowbrook, Illinois. There were 275 attendees.[7]
- The greatest number of certificates that a show dog earned as 275 certificates. It was earned by German Shepherd Mystique.[8]
Other fields
- The calendar years 275 AD and 275 BC.
- In the French Republican calendar, The year 275 would be a year 10 cycle and be in 2065.[9]
- 275 is the number of several highways in Canada, India, Japan, and the United States
- 275 Sapientia is an asteroid in the asteroid belt. It is a C-type asteroid that was discovered by Johann Palisa.[10]
References
- ^ "Composite numbers". mathworld.wolfram.com.
- ^ "Partition information". mathworld.wolfram.com.
- ^ Sloane, N. J. A. (ed.). "Sequence A000096". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ (sequence A321487 in the OEIS)
- ^ "275 streak of best selling app in the itunes store". www.guinnessworldrecords.com.
- ^ "275 people dressed as mobile phones". www.guinnessworldrecords.com.
- ^ "275 person welding lesson". www.guinnessworldrecords.com.
- ^ "275 certificates by a show dog". www.guinnessworldrecords.com.
- ^ "French Republican Calendar Guide" (PDF). broadcast.lds.org.
- ^ "275 Sapentia information". www.spacereference.org.
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