The Number

200021

Two Hundred Thousand and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

200018
Two Hundred Thousand and Eightteen
200019
Two Hundred Thousand and Nineteen
200020
Two Hundred Thousand and Twenty
200022
Two Hundred Thousand and Twenty-Two
200023
Two Hundred Thousand and Twenty-Three
200024
Two Hundred Thousand and Twenty-Four

Scientific Notation

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

2.00021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004999475055119212

The reciprocal of 200021.

Palindrome?

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

The number 200021 is not a palindrome.

Not A Prime Number

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

Two hundred thousand and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two hundred thousand and twenty-one is a composite number with 4 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 two hundred thousand and twenty-one has the following 2 prime factors:

139
One Hundred and Thirty-Nine
1439
One Thousand Four Hundred and Thirty-Nine

Prime Factorization

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

1391 · 14391 = 200021

Base Conversions

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