The natural numbers from 1 to 12 are:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
The prime numbers between 1 and 12 are:
2, 3, 5, 7, 11
This is a total of 5/12 prime numbers.
The LCM of the first twelve counting numbers is 27720
2,3,5,7,11,13, 17,19,23,29,31,37
The first twelve square numbers are:1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144
The first twelve triangular numbers are: 1 3 6 10 15 21 28 36 45 55 66 78
2520 is the smallest multiple of of first ten natural numbers.
There are are three types of decimals: terminating, repeating and non-terminating/non-repeating. The first two are rational, the third is not.
The sum of the first 50 natural numbers is 1,251.
The sum of the first 200 natural numbers is 20,001.
1 Sum of first n natural numbers = n(n+1)2[Formula.]2 Arthmetic mean of first n natural numbers = Sum of the numbers n[Formula.]3 = n(n+1)2n = n+124 So, the Arthmetic mean of first n natural numbers = n+12
The sum of the first 10 natural numbers is 51, with an average of 5.1
The first five whole numbers are: 01234. The first five natural numbers are: 12345.
123456789101112131415.