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1021

Prime Number 1021: Properties and Meaning

Short answer

The number 1021 is an odd prime, so its only positive divisors are 1 and 1021.

Is 1021 prime?

ClassificationPrimeParityOddDivisor count2AbundanceDeficient

What is the prime factorization of 1021?

Prime factorization

1021 =
1021
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What are the divisors of 1021?

Divisor count

2

Divisor sum

1,022

Proper divisor sum

1

How is 1021 classified?

Prime

Perfect square

No

Perfect cube

No

Fibonacci

No

Triangular

No

Power of two

No

How is 1021 represented in other numeral systems?

Decimal

1021

Binary

1111111101
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Octal

1775

Hexadecimal

In words

one thousand twenty one

Roots and powers

Square root

31.953091 Approximate

Cube root

10.069516 Approximate

Nearest lower square

961

Nearest higher square

1024

Nearest lower cube

1000

Nearest higher cube

1331

What are the digit properties of 1021?

Digit count

4

Digit sum

Digit product

0

Digital root

4

Reversed number

1201

Compare this number

FAQ for 1021

Is 1021 prime?
Yes
What is the prime factorization of 1021?
1021
Is 1021 a perfect square?
No
What is 1021 in binary?
1111111101
What is 1021 in Roman numerals?
MXXI

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