ⓘ 127 (number)
 It is the 7th Motzkin number.
 127 is the smallest odd number that cant be written in the form p + 2 x for p=prime number and x=integer, since 127  2 0 = 126, 127  2 1 = 125, 127  2 = 123, 127  2 3 = 119, 127  2 4 = 111, 127  2 5 = 95, and 127  2 6 = 63 are all composite numbers.
 127 is also a cuban prime of the form p = x 3 − y 3 / x − y {\displaystyle p=x^{3}y^{3}/xy}, x = y + 1 {\displaystyle x=y+1}. The next prime is 131, with which it comprises a cousin prime. Because the next odd number, 129, is a semiprime, 127 is a Chen prime. 127 is greater than the arithmetic mean of its two neighboring primes, thus it is a strong prime.
 It is the first nice Friedman number in base 10, since 127 = 1 + 2 7, as well as binary since 1111111 = 1 + 1 111  1 * 1.
 127 is the smallest prime that can be written as the sum of the first two or more odd primes: 127 = 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29.
 127 is the sum of the sums of the divisors of the first 12 positive integers.
 127 is a centered hexagonal number.
 127 is an isolated prime where neither p2 nor p+2 are prime.
 As a Mersenne prime, 127 is related to the perfect number 8128. 127 is also an exponent for another Mersenne prime 2 127  1, which was discovered by Edouard Lucas in 1876, and held the record for the largest known prime for 75 years  it is the largest prime ever discovered by hand calculations, as well as the largest known double Mersenne prime. Furthermore, 127 is equal to 2 7  1, and 7 is equal to 2 3  1, and 3 is the smallest Mersenne prime, this makes 7 the smallest double Mersenne prime and 127 the smallest triple Mersenne prime.
 127 is a palindromic prime in nonary and binary.
1. In the military
 USS Alnitah AK127 was a United States Navy Crater class cargo ship in World War II
 USS Admiral W. S. Sims AP127 was a United States Navy transport ship
 USS Tumult AM127 was a United States Navy Auk class minesweeper for removing naval mines
 USNS Mission San Luis Obispo TAO127 was a Mission Buenaventura class fleet oilers during World War II
 USS Allendale APA127 was a United States Navy Haskell class attack transport
 USS Raccoon IX127 was a United States Navy Armadillo class tanker
2. In transportation
 The small Fiat 127 automobile
 London Buses route 127 is a Transport for London contracted bus route in London
 127 is the number of many roads, including U.S. Route 127
 STS127 was a Space Shuttle Endeavour mission to the International Space Station which launched on June 15, 2009
3. In other fields
127 is also:
 The year AD 127 or 127 BC
 The highest signed 8bit integer, using twos complement
 127 Hours is a film released in 2010
 In IP Internet Protocol Version 4, it is the last Class A network and is also the subnet used for loopback functionality in computer networking
 Sonnet 127 by William Shakespeare
 The nonprintable "Delete" DEL control character in ASCII.
 The atomic number of Unbiseptium, an element that has not yet been discovered
 127 Johanna, a Main belt asteroid
 127 AH is a year in the Islamic calendar that corresponds to 744 – 745 CE
 127th Street Ensemble was a troupe of AfricanAmerican actors which included Tupac Amaru Shakur
 The LZ 127 Graf Zeppelin, a dirigible
 127 film, a film format
 Alexandria, although it was not part of that original highway. Highway 127 was numbered as a spur of State Highway 27. When Highway 27 was moved to overlap
 USCGC Alert WMEC  127 was a United States Coast Guard medium endurance cutter and was the fourth cutter to carry the name. The vessel was launched on
 natural number following 127 and preceding 129. 128 is the seventh power of 2. It is the largest number which cannot be expressed as the sum of any number of
 unlimited members, and the number 127 which represents the longitudinal coordinate of Seoul. All ten members of NCT 127 were originally part of SM Rookies
 at number two on the Gaon Album Chart. It has sold over 127 642 physical copies as of December 2017. On May 25, SM Entertainment confirmed NCT 127 s comeback
 State Route 127 SR 127 is a 27.05  mile  long 43.53 km state highway serving the eastern region of the U.S. state of Washington. The highway, listed
 Psalm 127 is the 127 th psalm of the Book of Psalms, generally known in English by its first verse, in the King James Version, Except the Lord build the
 Section 127 of the Constitution of Australia was the final section within Chapter VII dealing with miscellaneous matters and mandated the exclusion
 Superhuman debuted at number 11 on the US Billboard 200 with 27, 000 equivalent album units with 25, 000 being traditional sales becoming NCT 127 s highest  charting
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