The Number

209139

Two Hundred and Nine Thousand One Hundred and Thirty-Nine

Nearby Numbers

Positive, nonzero integers within three units

209136
Two Hundred and Nine Thousand One Hundred and Thirty-Six
209137
Two Hundred and Nine Thousand One Hundred and Thirty-Seven
209138
Two Hundred and Nine Thousand One Hundred and Thirty-Eight
209140
Two Hundred and Nine Thousand One Hundred and Forty
209141
Two Hundred and Nine Thousand One Hundred and Forty-One
209142
Two Hundred and Nine Thousand One Hundred and Forty-Two

Scientific Notation

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

2.09139e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004781508948593998

The reciprocal of 209139.

Palindrome?

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

The number 209139 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 nine thousand one hundred and thirty-nine is a composite number with 16 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 nine thousand one hundred and thirty-nine is a composite number with 16 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 nine thousand one hundred and thirty-nine has the following 4 prime factors:

3
Three
7
Seven
23
Twenty-Three
433
Four Hundred and Thirty-Three

Prime Factorization

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

31 · 71 · 231 · 4331 = 209139

Base Conversions

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