The sum of the first 450 consecutive odd numbers is 450 squared or 202,500.
The sum of the first 1,300 consecutive odd numbers is 1,300 squared or 1,690,000.
The sum of the squares of the first 100 natural numbers [1..100] is 338350, while the sum of the first 100 natural numbers squared is 25502500.
The sum of the first 900 consecutive odd numbers is 810,000. (900 squared)
The sum of the first five prime numbers is 28. The sum of the cubes of the first three prime numbers is 160. The average of 28 and 160 is 94.
It is 385.
The sum of the first 250 consecutive odd numbers is 250 squared or 62,500.
The sum of the first 450 consecutive odd numbers is 450 squared or 202,500.
The sum of the first 1,300 consecutive odd numbers is 1,300 squared or 1,690,000.
The sum of the squares of the first 100 natural numbers [1..100] is 338350, while the sum of the first 100 natural numbers squared is 25502500.
The sum of the first 900 consecutive odd numbers is 810,000. (900 squared)
The sum of the first five prime numbers is 28. The sum of the cubes of the first three prime numbers is 160. The average of 28 and 160 is 94.
The sum of the first three prime numbers that end with a 9 (19,29,59) is 107
25
The first three odd numbers are 1, 3, and 5. Their sum is 1 + 3 + 5 = 9.
the sum of the first three numbers is 1 + 3+5= 9
The sum of the first n odd numbers is n squared. 25 x 25 = 625