0
Still curious? Ask our experts.
Chat with our AI personalities
JudySimplicity is my specialty.
Chat with Judy
LaoThe path is yours to walk; I am only here to hold up a mirror.
Chat with Lao
CoachSuccess isn't just about winning—it's about vision, patience, and playing the long game.
Chat with Coach
Add your answer:
Earn +20 ptsQ: Is 121 a triangular number
Write your answer...
Submit
Still have questions?
Continue Learning about Algebra
What is the formula for triangular numbers?
The Nth triangular number is calculated by: N(N + 1) -------- 2 Hope this is useful!
121 prime or composite?
The number 121 is a composite number, since it is divisible by 11.
What solid figure has the least number of faces a triangular prism or triangular pyramid?
triangular pyramid
Why is 121 not prime?
121 is not a prime number. It is divisible by 11.
The 8th triangular number is 36 what is the 7th triangular number?
The formula for the nth triangular number is n(n+1)/2. If the 8th triangular number is 36, then we can set up the equation 8(8+1)/2 = 36. Solving for n, we get n = 7. Therefore, the 7th triangular number is 7(7+1)/2 = 28.
Trending Questions
What is not a characteristic of an exponential parent function?
How do you translate the word five less than thrice a number into algebraic expression?
Is obviously an adverb?
What is 10 times two fifths?
7x plus 16 equals 3x plus 4?
Surface area prism?
Marco is making a scale drawing of a building The scale for the drawing is 1 inch equals 7 feet The height of the building in the drawing is 1 foot Determine the height of the actual building?
How tall is 6'7 in cm?
Does 0 Celsius equal -273K?
What is The set of points that satisfy a given condition?
What are some equivalents to 5 radical 3?
How many unique ways are there to arrange the letters in the word PRIOR?
What quadrilateral always has only 1 pair of parallel sides?
What is the answer to 3y to the 2nd power?
What is the perimeter of a regular dodecagon with a radius of 4?
A Wagon train is one mile long travels one mile at a constant rate At same time a wagon master rides his horse at a constant rate from the front of the train to the rear then back how far did he ride?
What are the roots of 1 minus x to the third power?
What are the factors and prime factors of 46?
What is rate of change?
What is radius of a sphere is that has a volume of 64pi and if the radius is reduced by 1 inch what is the new volume of the sphere?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.