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| John Pilkins ©2003 |
Mersenne claimed 267 - 1 was prime, but it's composite.
The smallest two-digit Hyper-Cullen 2nd species prime, i.e., a prime of the
form n * 2n + (n - 1). [Russo]
6! * 7! = 10!.
The largest prime which is not the sum of distinct squares. [Crespi de Valldaura]
 (6*7) = 6+7. [Firoozbakht]
67 = sqrt(9!/(9 * 9) + 9). [Poo Sung]
567 starts with the digits 67. [Hartley]
The hull number of the U.S. Navy's aircraft carrier USS John F. Kennedy (CV-67).
The smallest prime which contains all ten digits when raised to the tenth power. [Patterson]
The "Summer of Love" was a phrase given to the summer of '67, describing (personifying) the feeling of being in San Francisco that summer when the hippie movement came to full fruition.
The inventor of natural logarithms (John Napier) died at the age of 67.
*67 ("star 67") is a free phone feature that blocks sending name and phone number on an outgoing individual call. Use *67 + number being dialed (must be done for each call). [Greer]
The smallest prime p that divides the number of composites less than the (p + 1)th prime. [Honaker]
Using the alphabet code, the value of 67 in its Roman numeral-based representation (LXVII) is the reversal of 67. [Necula]
In the opening scenes of the movie Hard Target, set in New Orleans, a horse and carriage numbered 67 rumbles by. [Haga]
The Escher compound that appears in the "Waterfall" lithograph by M. C. Escher divides the three component cubes into 67 individual cells. [Post]
67 is the sum of a twin prime pair. [Rivera]
Longitude 67 degrees West passes through the easternmost city in the United States (Eastport, Maine). A prime place to see the sunrise. [Punches]
2^6 + 2^1 + 2^0 = 26 + 21 + 20 = 67. [Morse]
Charles Lindbergh was the 67th man to make a non-stop
flight over the Atlantic Ocean. (The first were Alcock and
Brown, the 31 men on the English dirigible R34, and the 33
men on Zeppelin-Airship LZ126.) [Caldwell]
A new born infant is considered full-term when the gestation age in weeks lies between pk+6 and pk+7, where pk = 6+7 and pn is the nth prime (i.e., between 37 and 41 weeks). [Beedassy]
The sum of all idoneal primes. (A positive integer m is idoneal if and only if it cannot be written as ab + bc + ac for integer a, b, and c with 0 < a < b < c.) [Loungrides]
Fresh milk has a pH of 6.7 and is therefore slightly acidic. [O'Mahony]
67 = sqrt(1! + 2! + 3! + 6! + 9!)/(1! + 2! + 3!). [Wesolowski]
The largest known prime number p for which the decimal
expansion of 2p does not
contain any pair of consecutive equal digits. It's also the
case for the decimal expansion of
3p. [Capelle]
The largest known prime number p for which the decimal
expansion of 2p does not
contain any zero. [Capelle]
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