Nearby Numbers

Positive, nonzero integers within three units

20088

Twenty Thousand and Eighty-Eight

20089

Twenty Thousand and Eighty-Nine

20090

Twenty Thousand and Ninety

20092

Twenty Thousand and Ninety-Two

20093

Twenty Thousand and Ninety-Three

20094

Twenty Thousand and Ninety-Four

Scientific Notation

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

2.0091e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000049773530436513865

The reciprocal of 20091.

Palindrome?

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

The number 20091 is not a palindrome.

Not A Prime Number

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

Twenty thousand and ninety-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Twenty thousand and ninety-one is a composite number with 8 total factors (including 1 and itself).

Prime Factors

3

Three

37

Thirty-Seven

181

One Hundred and Eighty-One

Prime Factorization

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

31 · 371 · 1811 = 20091

Base Conversions

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