36 is a triangular number, Square number and also a Consecutive number.
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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.