The Number

21049

Twenty-One Thousand and Forty-Nine

Nearby Numbers

Positive, nonzero integers within three units

21046
Twenty-One Thousand and Forty-Six
21047
Twenty-One Thousand and Forty-Seven
21048
Twenty-One Thousand and Forty-Eight
21050
Twenty-One Thousand and Fifty
21051
Twenty-One Thousand and Fifty-One
21052
Twenty-One Thousand and Fifty-Two

Scientific Notation

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

2.1049e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004750819516366573

The reciprocal of 21049.

Palindrome?

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

The number 21049 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 and forty-nine 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 and forty-nine 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 and forty-nine has the following 3 prime factors:

7
Seven
31
Thirty-One
97
Ninety-Seven

Prime Factorization

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

71 · 311 · 971 = 21049

Base Conversions

The number twenty-one thousand and forty-nine in 35 different bases