The Number

202109

Two Hundred and Two Thousand One Hundred and Nine

Nearby Numbers

Positive, nonzero integers within three units

202106
Two Hundred and Two Thousand One Hundred and Six
202107
Two Hundred and Two Thousand One Hundred and Seven
202108
Two Hundred and Two Thousand One Hundred and Eight
202110
Two Hundred and Two Thousand One Hundred and Ten
202111
Two Hundred and Two Thousand One Hundred and Eleven
202112
Two Hundred and Two Thousand One Hundred and Twelve

Scientific Notation

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

2.02109e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004947825183440619

The reciprocal of 202109.

Palindrome?

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

The number 202109 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 and two thousand one hundred and nine is a composite number with 2 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two hundred and two thousand one hundred and nine is a composite number with 2 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 and two thousand one hundred and nine has the following 1 prime factor:

202109
Two Hundred and Two Thousand One Hundred and Nine

Prime Factorization

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

2021091 = 202109

Base Conversions

The number two hundred and two thousand one hundred and nine in 35 different bases