Nearby Numbers

Positive, nonzero integers within three units

21045

Twenty-One Thousand and Forty-Five

21046

Twenty-One Thousand and Forty-Six

21047

Twenty-One Thousand and Forty-Seven

21049

Twenty-One Thousand and Forty-Nine

21050

Twenty-One Thousand and Fifty

21051

Twenty-One Thousand and Fifty-One

Scientific Notation

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

2.1048e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004751045229950589

The reciprocal of 21048.

Palindrome?

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

The number 21048 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-eight 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.

Twenty-one thousand and forty-eight is a composite number with 16 total factors (including 1 and itself).

Prime Factors

2

Two

3

Three

877

Eight Hundred and Seventy-Seven

Prime Factorization

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

23 · 31 · 8771 = 21048

Base Conversions

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