The Number

21021

Twenty-One Thousand and Twenty-One

In Base 5 Quinary Is

11330415

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

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

Nearby Numbers

Positive, nonzero integers within three units

21018
11330335
Twenty-One Thousand and Eightteen in Base 5 Quinary
21019
11330345
Twenty-One Thousand and Nineteen in Base 5 Quinary
21020
11330405
Twenty-One Thousand and Twenty 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
21024
11330445
Twenty-One Thousand and Twenty-Four in Base 5 Quinary

Scientific Notation

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

2.1021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000332424031104440223400315

The reciprocal of 21021 in Base 5 Quinary.

Palindrome?

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

The number 11330415 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-one is a composite number with 24 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-one is a composite number with 24 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-one has the following 4 prime factors:

3
35
Three in Base 5 Quinary
7
125
Seven in Base 5 Quinary
11
215
Eleven in Base 5 Quinary
13
235
Thirteen in Base 5 Quinary

Prime Factorization

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

351 · 1252 · 2151 · 2351 = 11330415

Base Conversions

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