DCXIX is 619.
Any one of the infinite set of numbers of the form 619*k where k is an integer.
3332, 3333 and 3334 add up to 9999 - there are no three consecutive numbers that add up to 10,000.
Any number you can add up to get the sum
There is no set of three consecutive whole numbers that add up to 154.
No three odd numbers can add up to an even number.
83, 3,and 2 are prime numbers which add up to 88.
2 numbers that add up to 8
53 and 3 are two prime numbers that add up to 56