Wednesday, November 19, 2008

416

416 = 25 x 13.

416 is the number of subsets of the 15th roots of unity that add up to a real number.

416 has a representation as a sum of two squares: 416 = 42 + 202.

416 is a number with exactly 12 divisors: 1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416.


416 is the area code for the city of Toronto. It is one of the original 86 area codes from 1947.

Episode 416 (4th season, 16th episode) of the TV series Numb3rs was titled "Atomic No. 33" and included references to non-Newtonian fluids, the Riemann zeta function, and Bayesian network analysis.

Sources: What's Special About This Number?; The Math Behind Numb3rs

No comments: