VMC VIQ Scholarship Test
ApplyRegister for Vidyamandir Intellect Quest. Get Scholarship and Cash Rewards.
21000 is a mathematical number written as twenty-one thousand in English. For example, if we buy a toy for INR 21000, we can say, "I have bought a toy which is twenty-one thousand rupees only." Here the word "twenty-one thousand" represents the cost of the toy. 21000 is also called the cardinal number of the toy. By cardinal number, we mean any number which defines a quantity.
One can easily understand and learn to write 21000 words using place value charts. Looking at the number, one can easily say that 21000 is five digits; now, as it's clear, let's observe different places of digits according to their places:
Digit’s place | Ten thousand | Thousand | Hundred | Ten | One |
Digit | 2 | 1 | 0 | 0 | 0 |
As it's clear from the above chart that 2 comes in ten thousand places, 1 stand on thousand places. All the other place values after a thousand have zeros in them. Hence, we can easily understand that 21000 is written as twenty-one thousand words.
21000 can be written in the expanded as follows:
\begin{array}{l}
2 \times \text { Ten thousand }+1 \times \text { Thousand }+0 \times \text { Hundred }+0 \\
\times \text { Ten }+0 \times \text { One } \\
=2 \times 10000+1 \times 1000+0 \times 100+0 \times 10+0 \times 1 \\
=21000
\end{array}
21000 is expressed as twenty-one thousand words in English.
21000 is a natural number.
21000 isn't an odd number.
21000 is an even number as it's divisible by two.
21000 is neither a perfect square number nor a perfect cube number.
21000 isn't a prime number.
21000 is a composite number as it has more than two factors.
The successor of 21000 is 20999, and the predecessor of 21000 is 21001.
You can find out the detailed other number in words article list below:-
2100 is expressed in words as "twenty-one thousand" in English.
The place value of 1 in 21000 is a thousand.
Any number having 1 and itself as its only 2 factors are known as a prime number. 21000 is not a prime number because it has more than 2 factors like 2, 3, 5, 7 etc.
The sum of the digits of 21000 will be
2+1+0+0+0=3
21000 can be called a composite number, as 21000 has more than two factors.
Register for Vidyamandir Intellect Quest. Get Scholarship and Cash Rewards.
As per latest 2024 syllabus. Physics formulas, equations, & laws of class 11 & 12th chapters
As per latest 2024 syllabus. Chemistry formulas, equations, & laws of class 11 & 12th chapters
Accepted by more than 11,000 universities in over 150 countries worldwide
Register now for PTE & Unlock 20% OFF : Use promo code: 'C360SPL20'. Valid till 15th NOV'24! Trusted by 3,500+ universities globally
As per latest 2024 syllabus. Study 40% syllabus and score upto 100% marks in JEE