0
Still curious? Ask our experts.
Chat with our AI personalities
SteveKnowledge is a journey, you know? We'll get there.
Chat with Steve
ViviYour ride-or-die bestie who's seen you through every high and low.
Chat with Vivi
RossEvery question is just a happy little opportunity.
Chat with Ross
Add your answer:
Earn +20 ptsQ: Is 21 a square number itself?
Write your answer...
Submit
Still have questions?
Continue Learning about Math & Arithmetic
Is the number 21 composite square or prime?
21 is a composite number because it has at least one positive factor other than one or itself.
Is 21 a square number?
21 is not the square of an integer. The closest square number is 25.
What is square root of a number?
The square root is the number which is times by itself, to get the square number.
Is number 21 a square number?
no
What does 2 to the half power equal?
21/2 = √2 ≈ 1.414 The rules of indices are that when multiplying add them. 21/2 x 21/2 = 21/2 + 1/2 = 21 = 2 So multiplying 21/2 by itself gives 2. But what number multiplied by itself gives 2? The answer is the square root of 2. Thus 21/2 is the square root of 2.
Trending Questions
What is 30270904 in expanded form?
What is similar to seep?
How old is the triangle instrument?
What is the mean of 24 23.5 22 27 25 21.525 24?
How do you eulerize a graph?
Is dependent variable the variable that can't change?
What is a five side polygon with two right angles?
Could the ancient Greeks bisect an angle using a straight edge?
Who introduced the apostle Peter to Jesus?
Why must you reduce?
How do you find the missing exterior angles?
What is the whole number of 1.3?
What does each mean in a math word problem?
What are the 3 basic trig ratios and how do they work?
How many 450x450 slabs would i need to cover 30ftx30ft space?
Where did 3m get its name?
Did aryabhatta found 0?
What can 3 over 7 be reduced to?
Dc equals 10 what is the value of bc?
How many miles does 200 feet equal?
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.