29 (number)

Last updated
28 29 30
Cardinal twenty-nine
Ordinal 29th
(twenty-ninth)
Factorization prime
Prime 10th
Divisors 1, 29
Greek numeral ΚΘ´
Roman numeral XXIX
Binary 111012
Ternary 10023
Senary 456
Octal 358
Duodecimal 2512
Hexadecimal 1D16

29 (twenty-nine) is the natural number following 28 and preceding 30. It is a prime number.

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Mathematics

The 29th dimension is the highest dimension for compact hyperbolic Coxeter polytopes that are bounded by a fundamental polyhedron, and the highest dimension that holds arithmetic discrete groups of reflections with noncompact unbounded fundamental polyhedra. [8]

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17 (seventeen) is the natural number following 16 and preceding 18. It is a prime number.

19 (nineteen) is the natural number following 18 and preceding 20. It is a prime number.

23 (twenty-three) is the natural number following 22 and preceding 24.

28 (twenty-eight) is the natural number following 27 and preceding 29.

27 is the natural number following 26 and preceding 28.

72 (seventy-two) is the natural number following 71 and preceding 73. It is half a gross or 6 dozen.

73 (seventy-three) is the natural number following 72 and preceding 74. In English, it is the smallest natural number with twelve letters in its spelled out name.

31 (thirty-one) is the natural number following 30 and preceding 32. It is a prime number.

37 (thirty-seven) is the natural number following 36 and preceding 38.

57 (fifty-seven) is the natural number following 56 and preceding 58.

58 (fifty-eight) is the natural number following 57 and preceding 59.

61 (sixty-one) is the natural number following 60 and preceding 62.

104 is the natural number following 103 and preceding 105.

400 is the natural number following 399 and preceding 401.

700 is the natural number following 699 and preceding 701.

600 is the natural number following 599 and preceding 601.

2000 is a natural number following 1999 and preceding 2001.

In mathematics, Euclid numbers are integers of the form En = pn# + 1, where pn# is the nth primorial, i.e. the product of the first n prime numbers. They are named after the ancient Greek mathematician Euclid, in connection with Euclid's theorem that there are infinitely many prime numbers.

20,000 is the natural number that comes after 19,999 and before 20,001.

30,000 is the natural number that comes after 29,999 and before 30,001.

References

  1. "Sloane's A005384 : Sophie Germain primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-31.
  2. "Sloane's A005479 : Prime Lucas numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-31.
  3. "Sloane's A086383 : Primes found among the denominators of the continued fraction rational approximations to sqrt(2)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-31.
  4. "Sloane's A000078 : Tetranacci numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-31.
  5. "Sloane's A002267 : The 15 supersingular primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-31.
  6. "Sloane's A001608 : Perrin sequence". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-31.
  7. "Sloane's A060315". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2023-09-05.
  8. Vinberg, E.B. (1981). "Absence of crystallographic groups of reflections in Lobachevskii spaces of large dimension". Functional Analysis and Its Applications. 15 (2). Springer: 128–130. doi:10.1007/BF01082285. eISSN   1573-8485. MR   0774946. S2CID   122063142.
  9. Caroline Finkel, Osman's Dream. New York: Basic Books (2006): xv. "The modern Turkish alphabet has 29 letters, of which three vowels and three consonants are unfamiliar to those who do not know the language, and one consonant is pronounced differently from English."
  10. Mäkinen, Panu. "Finnish Grammar - Alphabet". users.jyu.fi. Retrieved 21 March 2018.
  11. Anthony Ham, Miles Roddis & Graeme Cornwallis, Norway. New York: Lonely Planet (2005): 413. "The modern Norwegian alphabet has 29 letters: those used in English, plus the vowels æ, ø and å (which are listed at the end of the alphabet)."
  12. Stephen F. Tomajczyk, To Be a U.S. Marine. New York: Zenith Imprint (2004): 155. "Twenty-nine stumps—Slang for Twenty-nine Palms Marine Corps Air-Ground Combat Center, located in California's Mojave Desert."