2017 is a prime number.
2017 is 11111100001 in binary.
2017 is a central polygonal number: a number of the form k(k + 1)/2 + 1, where k = 63 (A000124). It is the maximum number of pieces of a circular pizza that you can make with 63 straight cuts.
2017, (2017 + 1)/2 = 1009, and (2017 + 2)/3 = 673 are all primes (A036570).
2017 = 502 + 504 + 505 + 506 (the sum of four consecutive composite numbers) (A060329). 2017 is also the sum of eight consecutive composite numbers (A060333).
2017 is a generalized canyon prime (A183087).
2017 is a year with 53 Sundays, according to the Gregorian calendar (A242593).
2017 has been designated by the United Nations as the International Year of Sustainable Tourism for Development.
No comments:
Post a Comment