1, 3, 6, 10, 15, 21, 28, 36, 45, 55
Ordinary numbers
3.141592653
The average of the first ten prime numbers is 12.9.
The first ten positive numbers total 55.
The first ten happy numbers are: 1, 7, 10, 13, 19, 23, 28, 31, 32, 44
2520 is the smallest multiple of of first ten natural numbers.
Ordinary numbers
3.141592653
The average of the first ten prime numbers is 12.9.
The first ten positive numbers total 55.
The first ten happy numbers are: 1, 7, 10, 13, 19, 23, 28, 31, 32, 44
16,17,18,19,20,21,22,23,24,25.
thousands
38.5
100
-55
The numbers 4, 6, 8, 9, 10, 12, 14, 15, 16, 18 are the first ten composite numbers.