The smallest prime whose reciprocal contains a period that is exactly 1/3 of the maximum length. [Wells]
Illinois has two area codes that are multiples of 103: 309 (3 * 103) and 618 (6 * 103). [Litman]
Proof, an award-winning play by David Auburn, revolves around a mysterious mathematical proof involving prime numbers left behind in 103 notebooks by a young woman's brilliant father.
The least integer which is not sum or difference of two integers all whose prime factors are 2 and 3. [Crespi de Valldaura]
The world's largest tree is the General Sherman Tree, a sequoia in Sequoia National Park, California. Its trunk is roughly 103 feet in circumference. [Jolly]
The smallest prime comparable to all minimal primes in base 4. [Rupinski]
3 and 103 are prime, as are 3*2^103-1 and 103*2^3-1. There is no other pair of primes less than 1000 with this property. [Hartley]
103 + (10!)^3 is prime. [Patterson]
M103 and NGC 103 are both open clusters of stars in Cassiopeia. [Necula]
103 divides the concatenation of the integers 103 down to 1. [De Geest]
There are exactly 103 geometrical forms of magic knight's tour of the chessboard.
Using a standard dartboard, 103 is the lowest possible prime that cannot be scored with two darts.
Astronomer Charles Messier cataloged 103 objects in his
list of nebulae. [McCranie]
The smallest Cyclops prime that's also a twin, a cousin, and a sexy prime. [Punches]
One Hundred and Three is a poem by Henry Lawson (often called Australia's "greatest writer") about his prison number.
The smallest acute-angled
prime. [Pol]
The total number of prime numbers that can be displayed on
a 12-hour digital clock. [Fellows]
The smallest positive integer with no double-base representation of
length 2. (Vassil S. Dimitrov, Everett W. Howe, Lower bounds on the
lengths of double-base representations, January 23, 2010). [Post]
Operation Entebbe involved the Israeli rescue of 103 hostages from a French airliner hijacked by members of the Palestine Liberation Organization.
In the movie, "Naked Gun 2 1/2," the number of the bus
under which "Nordberg" becomes stuck is 103.
(There are 5 curios for this number that have not yet been approved by an editor.) To link to this page use http://primes.utm.edu/curios/page.php?number_id=508
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