The Number

20021

Twenty Thousand and Twenty-One

In Base 5 Quinary Is

11200415

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

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

Nearby Numbers

Positive, nonzero integers within three units

20018
11200335
Twenty Thousand and Eightteen in Base 5 Quinary
20019
11200345
Twenty Thousand and Nineteen in Base 5 Quinary
20020
11200405
Twenty Thousand and Twenty in Base 5 Quinary
20022
11200425
Twenty Thousand and Twenty-Two in Base 5 Quinary
20023
11200435
Twenty Thousand and Twenty-Three in Base 5 Quinary
20024
11200445
Twenty 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.

2.0021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000342234103201332203221335

The reciprocal of 20021 in Base 5 Quinary.

Palindrome?

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

The number 11200415 is not a palindrome.

A Prime Number

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

Twenty thousand and twenty-one is the 2264th prime number.   See primes in Base 5 Quinary

Not A Composite

Composites have more than just these two factors.

Twenty Thousand and Twenty-One is not a composite number because it has exactly two factors: One and Twenty Thousand and Twenty-One

Prime Factors

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

The number twenty thousand and twenty-one has the following 1 prime factor:

20021
11200415
Twenty Thousand and Twenty-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

112004151 = 11200415

Base Conversions

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