Nearby Numbers

Positive, nonzero integers within three units

21024

Twenty-One Thousand and Twenty-Four

21025

Twenty-One Thousand and Twenty-Five

21026

Twenty-One Thousand and Twenty-Six

21028

Twenty-One Thousand and Twenty-Eight

21029

Twenty-One Thousand and Twenty-Nine

21030

Twenty-One Thousand and Thirty

Scientific Notation

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

2.1027e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000047557901745375

The reciprocal of 21027.

Palindrome?

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

The number 21027 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 twenty-seven 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 twenty-seven is a composite number with 8 total factors (including 1 and itself).

Prime Factors

3

Three

43

Forty-Three

163

One Hundred and Sixty-Three

Prime Factorization

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

31 · 431 · 1631 = 21027

Base Conversions

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