Question

Which is the largest two digit triangular number?
i need step by step explanation

Answer 1

Answer:

Ghop

Step-by-step explanation:

Answer 2

Answer:

666 is the largest triangular number which you can form of the same digits (1, page 98). 666 is a Smith number. This means: The sum of digits [6+6+6] is equal to the sum of the digits of the prime factors [2+3+3+(3+7)] (1, page 200).