36 is a triangular number, Square number and also a Consecutive number.
36
36 is a triangular number. The formula for the nth triangular number is, n(n + 1)/2. So, 36 is the 8th triangular number : 8 x 9/2 = 36
no- 29 is not triangular. The triangular numbers closest to 29 are 28 and 36.
28"21" but to be extra smart the answer is "The seventh triangular number is twenty one."
No - but it is a square number. 1,3,6,10,15,21 & 28 are all triangular numbers. 1,4,9,16,25 & 36 are all square numbers.
36
36 is a triangular number. The formula for the nth triangular number is, n(n + 1)/2. So, 36 is the 8th triangular number : 8 x 9/2 = 36
No, 39 is not a triangular number. The closet triangular numbers are 36 and 45.
1 and 36
36
The formula for the nth triangular number is n(n+1)/2. If the 8th triangular number is 36, then we can set up the equation 8(8+1)/2 = 36. Solving for n, we get n = 7. Therefore, the 7th triangular number is 7(7+1)/2 = 28.
no- 29 is not triangular. The triangular numbers closest to 29 are 28 and 36.
1, the first triangular number, is also a square.
36 is the only square number that is also a triangular number between 20 and 40.
36 is the smallest non-trivial number. It is both square and triangular.
32 is not a triangular number. The first few triangular numbers are 1, 3, 6, 10, 15, 21, 28, 36, 45, ...
1 is a triangular and square number, and it is less than 60.