103 (number)

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Cardinal one hundred three
Ordinal 103rd
(one hundred third)
Factorization prime
Prime 27th
Greek numeral ΡΓ´
Roman numeral CIII
Binary 11001112
Ternary 102113
Senary 2516
Octal 1478
Duodecimal 8712
Hexadecimal 6716

103 (one hundred [and] three) is the natural number following 102 and preceding 104.

Contents

In mathematics

103 is a prime number, and the largest prime factor of . [1] The previous prime is 101. This makes 103 a twin prime. [2] It is the fifth irregular prime, [3] because it divides the numerator of the Bernoulli number

The equation makes 103 part of a "Fermat near miss". [4]

There are 103 different connected series-parallel partial orders on exactly six unlabeled elements. [5]

103 is conjectured to be the smallest number for which repeatedly reversing the digits of its ternary representation, and adding the number to its reversal, does not eventually reach a ternary palindrome. [6]

In science

103 is the atomic number of lawrencium, a radioactive element named after Ernest Lawrence.

Related Research Articles

2 (two) is a number, numeral and digit. It is the natural number following 1 and preceding 3. It is the smallest and only even prime number. Because it forms the basis of a duality, it has religious and spiritual significance in many cultures.

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

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.

500 is the natural number following 499 and preceding 501.

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.

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.

<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.

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

1,000,000,000 is the natural number following 999,999,999 and preceding 1,000,000,001. With a number, "billion" can be abbreviated as b, bil or bn.

181 is the natural number following 180 and preceding 182.

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

100,000,000 is the natural number following 99,999,999 and preceding 100,000,001.

277 is the natural number following 276 and preceding 278.

271 is the natural number after 270 and before 272.

288 is the natural number following 287 and preceding 289. Because 288 = 2 · 12 · 12, it may also be called "two gross" or "two dozen dozen".

40,000 is the natural number that comes after 39,999 and before 40,001. It is the square of 200.

60,000 is the natural number that comes after 59,999 and before 60,001. It is a round number. It is the value of (75025).

References

  1. ↑ Sloane, N. J. A. (ed.). "SequenceA002583(Largest prime factor of n! + 1)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  2. ↑ Sloane, N. J. A. (ed.). "SequenceA001097(Twin primes)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  3. ↑ Sloane, N. J. A. (ed.). "SequenceA000928(Irregular primes)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  4. ↑ Sloane, N. J. A. (ed.). "SequenceA050791(Consider the Diophantine equation x^3 + y^3 = z^3 + 1 (1 < x < y < z) or 'Fermat near misses'. Sequence gives values of z in monotonic increasing order.)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  5. ↑ Sloane, N. J. A. (ed.). "SequenceA007453(Number of unlabeled connected series-parallel posets with n nodes)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  6. ↑ Sloane, N. J. A. (ed.). "SequenceA066450(Conjectured value of the minimal number to which repeated application of the "reverse and add!" algorithm in base n does not terminate in a palindrome)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.


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