The Number

21020

Twenty-One Thousand and Twenty

In Base 5 Quinary Is

11330405

The numbers with a 5 subscript use Base 5 Quinary notation.

For more familiar numbers: See Twenty-One Thousand and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21017
11330325
Twenty-One Thousand and Seventeen in Base 5 Quinary
21018
11330335
Twenty-One Thousand and Eightteen in Base 5 Quinary
21019
11330345
Twenty-One Thousand and Nineteen in Base 5 Quinary
21021
11330415
Twenty-One Thousand and Twenty-One in Base 5 Quinary
21022
11330425
Twenty-One Thousand and Twenty-Two in Base 5 Quinary
21023
11330435
Twenty-One Thousand and Twenty-Three in Base 5 Quinary

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.1020e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000332424320123100434314335

The reciprocal of 21020 in Base 5 Quinary.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 11330405 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand and twenty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

Twenty-one thousand and twenty is a composite number with 12 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-one thousand and twenty has the following 3 prime factors:

2
25
Two in Base 5 Quinary
5
105
Five in Base 5 Quinary
1051
132015
One Thousand and Fifty-One in Base 5 Quinary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

252 · 1051 · 1320151 = 11330405

Base Conversions

The number twenty-one thousand and twenty in 35 different bases