0
Anonymous
No.
Wiki User
Chat with our AI personalities
91
64
1225
47 is not a triangular number. Triangular numbers less than 100 are 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, and 91.
Is 63 a triangular number I think it is a triangular number.