The Number

21358

Twenty-One Thousand Three Hundred and Fifty-Eight

Nearby Numbers

Positive, nonzero integers within three units

21355
Twenty-One Thousand Three Hundred and Fifty-Five
21356
Twenty-One Thousand Three Hundred and Fifty-Six
21357
Twenty-One Thousand Three Hundred and Fifty-Seven
21359
Twenty-One Thousand Three Hundred and Fifty-Nine
21360
Twenty-One Thousand Three Hundred and Sixty
21361
Twenty-One Thousand Three Hundred and Sixty-One

Scientific Notation

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

2.1358e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000046820863376720664

The reciprocal of 21358.

Palindrome?

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

The number 21358 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand three hundred and fifty-eight 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-one thousand three hundred and fifty-eight is a composite number with 8 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 twenty-one thousand three hundred and fifty-eight has the following 3 prime factors:

2
Two
59
Fifty-Nine
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

21 · 591 · 1811 = 21358

Base Conversions

The number twenty-one thousand three hundred and fifty-eight in 35 different bases