List of triangular numbers
1,3,6,... work out the rest
Chat with our AI personalities
The 50th triangular number is (50)(51)/2=1275
The 50th triangle number is 1275. It could be represented by a triangle with base 50 and height 50, with the horizontal measure increasing by one unit for every unit move in the vertical direction.
A number is a single term so there cannot be a 50th term for a number.
50th
100