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277 is a prime number with digit sum equal to two to the fourth power.
Emily Dickinson composed 277 poems in 1862. [Szegedy-Maszak]
The sum 1/2 + 1/3 + 1/5 + 1/7 + 1/11 + ... + 1/271 + 1/277 just exceeds the first prime number. [Wilson]
The sum of the letters of "Holy Bible" if we use the alphaprime code: a = 2, b = 3, c = 5, d = 7, e = 11, .... (The Pentateuch was translated into Greek, circa 277 B.C.) [Zirkle]
The Grand Canyon is 277 miles long. [Aldridge]
76729 is the square of the prime 277 and the smallest square with 5 or more digits that is the concatenation of three primes (7, 67, and 29). Note that the square contains the digits of the root embedded in reverse order. [Trotter]
In 1996, Dolly became the first animal ever to be successfully cloned from an adult somatic cell by nuclear transfer and was the only survivor of 277 cloning attempts! (The sheep was cloned from a mammary gland cell and named after the busty country music artist Dolly Parton.)
The smaller prime factor of semiprime 9000007, the first composite number of the series 97, 907, 9007, etc.
A primary pretender for the base b is the smallest
composite number n for which bn
 b (mod n). The list of these (when b = 0, 1, 2, ...) begins 4, 4, 341, 6, 4,
4, 6, 6, 4, 4, 6, 10, 4, 4, 14, 6, 4, 4, 6, 6, 4, 4, 6, 22,
4, 4, 9, 6, 4, 4, 6, 6, 4, 4, 6, 9, ... Do you see the
pattern yet? There are only 132 distinct numbers that appear in this
list, but it repeats with a period of length 277#*23#. (Take a moment and calculate how large that period is!) [CGSS1997]
277 = (2+7)2 + (7+7)2. [Poo Sung]
To link to this page use http://primes.utm.edu/curios/page.php?number_id=582
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