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Related Questions

Is 8 triangular number?

No. The first few triangular numbers are 1, 3, 6, 10, 15, 21, 28, ...


What are the first 6 triangle numbers?

The first six triangular numbers are : 1,3,6,10,15,21. However, sometimes the first triangular number is regarded as 0 (zero) so you then have 0,1,3,6,10,15 as the first six triangular numbers.


What are the first 5 triangular numbers?

Triangle numbers or triangular numbers are those numbers that can form an equilateral triangle when counting the objects. The first five triangular numbers are: 1, 3, 6, 10, 15.


How Are Triangular And Cubed Numbers Linked?

The sum of the first n cubed numbers is the square of the nth triangular number.


What are the first 5857 triangular numbers?

the numbers betwenn 1 and 365222


First six triangular numbers?

8,9,5,7,2 and 1


What is the sum of the first five triangular numbers?

It is 46.


How can sixth triangular number be 21?

Because it is ! The first 10 triangular numbers are... 1,3,6,10,15,21,28,36,45 & 55


When did Carl Friedrick Gauss discover triangular numbers?

Carl Friedrich Gauss did not discover triangular numbers, but he is known for his early work with them as a child. At the age of 8, he famously summed the first 100 integers quickly by realizing that they could be paired to form triangles. The concept of triangular numbers, which are the sums of the first ( n ) natural numbers, has been known since ancient times, long before Gauss's contributions in the late 18th century.


What are the first twelve triangular numbers?

The first twelve triangular numbers are: 1 3 6 10 15 21 28 36 45 55 66 78


Is 4 a triangular number?

no No it is not. The first 5 triangular numbers are: 1, 3, 6, 10, 15


What are the first 2 triangular numbers?

The first two triangle numbers are 3 and 6. [Unless you start with 1 as the first.]