A reverse triangular merger occurs when an acquirer creates a subsidiary, the subsidiary purchases a target, and the subsidiary is absorbed by the target.

A triangular number is one that fits the formula n (n+1)/2, such as 1, 3, 6, 10, 15. Even if I told you Harry’s triangular number you would not be able to deduce with certainty which perfect ...

Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more. Credit... Supported by By Steven Strogatz “Math, Revealed,” our four-part series exploring the ...

But it was triangular numbers that got the ball rolling in the first place. Sign up here for the weekly Science Times newsletter.

2) It is a triangular number, that is of the series 1,3,6,10,15 … 3) It is a cube, or a cube plus 3. 4) It may be written as a single-digit prime followed by a two-digit prime.