200 (number)

Last updated
← 199 200 201 →
Cardinal two hundred
Ordinal 200th
(two hundredth)
Factorization 23 × 52
Divisors 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200
Greek numeral Σ´
Roman numeral CC
Binary 110010002
Ternary 211023
Senary 5326
Octal 3108
Duodecimal 14812
Hexadecimal C816
Armenian Մ
Hebrew ר
Babylonian cuneiform 𒐗⟪
Egyptian hieroglyph 𓍣

200 (two hundred) is the natural number following 199 and preceding 201.

Contents

In mathematics

200 is an abundant number, as 265, the sum of its proper divisors, is greater than itself.

The number appears in the Padovan sequence, preceded by 86, 114, 151 (it is the sum of the first two of these). [1]

The sum of Euler's totient function φ(x) over the first twenty-five integers is 200.

200 is the smallest base 10 unprimeable number – it cannot be turned into a prime number by changing just one of its digits to any other digit. It is also a Harshad number.

200 is an Achilles number. [2]

In science

200 MeV is the temperature of quark–gluon plasma phase transition.

Other

Related Research Articles

21 (twenty-one) is the natural number following 20 and preceding 22.

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

86 (eighty-six) is the natural number following 85 and preceding 87.

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.

114 is the natural number following 113 and preceding 115.

100 or one hundred is the natural number following 99 and preceding 101.

1000 or one thousand is the natural number following 999 and preceding 1001. In most English-speaking countries, it can be written with or without a comma or sometimes a period separating the thousands digit: 1,000.

300 is the natural number following 299 and preceding 301.

600 is the natural number following 599 and preceding 601.

800 is the natural number following 799 and preceding 801.

2000 is a natural number following 1999 and preceding 2001.

10,000 is the natural number following 9,999 and preceding 10,001.

3000 is the natural number following 2999 and preceding 3001. It is the smallest number requiring thirteen letters in English.

135 is the natural number following 134 and preceding 136.

213 is the number following 212 and preceding 214.

151 is a natural number. It follows 150 and precedes 152.

<span class="mw-page-title-main">1,000,000</span> Natural number

1,000,000, or one thousand thousand, is the natural number following 999,999 and preceding 1,000,001. The word is derived from the early Italian millione, from mille, "thousand", plus the augmentative suffix -one.

100,000 (one hundred thousand) is the natural number following 99,999 and preceding 100,001. In scientific notation, it is written as 105.

888 is the natural number following 887 and preceding 889.

References

  1. ↑ "Sloane's A000931 : Padovan sequence". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
  2. ↑ Sloane, N. J. A. (ed.). "SequenceA052486(Achilles numbers - powerful but imperfect: if n = Product(p_i^e_i) then all e_i > 1 (i.e., powerful), but the highest common factor of the e_i is 1, i.e., not a perfect power)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
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