Enter triangular number statement


  

Calculate triangular number 7

Triangular numbers form a triangle shape

Triangular number formula

Tn  =  n(n + 1)
  2

Given n = 7, we have:

T7  =  7(7 + 1)
  2

T7  =  7(8)
  2

T7  =  56
  2

T7 = 28


You have 2 free calculationss remaining



How does the Triangular Number Calculator work?
Free Triangular Number Calculator - This calculator determines the nth triangular number. Generates composite numbers.
This calculator has 1 input.

What 1 formula is used for the Triangular Number Calculator?

Tn = n(n + 1)/2

For more math formulas, check out our Formula Dossier

What 4 concepts are covered in the Triangular Number Calculator?

formula
a fact or a rule written with mathematical symbols. A concise way of expressing information symbolically.
number
an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
triangle
a flat geometric figure that has three sides and three angles
triangular number
Example calculations for the Triangular Number Calculator
  1. 30th triangular number
  2. 45th triangular number

Tags:



Add This Calculator To Your Website




An Automated Online Math Tutor serving 8.1 million parents and students in 235 countries and territories.

Our Services

Top Categories

Community