🔺 Triangular Numbers Calculator
Calculate triangular numbers
How to Use This Calculator
1
Enter n
Type position n.
2
Get Triangular Number
See nth triangular number.
About Triangular Numbers Calculator
The Triangular Numbers Calculator calculates the nth triangular number using the formula T_n = n(n+1)/2.
When to Use This Calculator
- Number Theory: Triangular numbers
- Education: Learn sequences
Why Use Our Calculator?
- ✅ Instant Results: Calculate quickly
- ✅ Educational: Learn triangular numbers
- ✅ Completely Free: No registration required
Frequently Asked Questions
What are triangular numbers?
Numbers that can form an equilateral triangle: 1, 3, 6, 10, 15... Formula: T_n = n(n+1)/2.