Wednesday, January 27, 2010
3563
3563
= 7 x 509.
3563
is a semiprime (product of two primes) such that 509 mod 7 = 5.
3563
is a term in the
sequence
created by starting with 1, then repeatedly reversing the digits and adding 76 to get the next term.
NGC
3563
is a galaxy in the constellation Leo.
Source:
On-Line Encyclopedia of Integer Sequences
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment