The Number

21012

Twenty-One Thousand and Twelve

Nearby Numbers

Positive, nonzero integers within three units

21009
Twenty-One Thousand and Nine
21010
Twenty-One Thousand and Ten
21011
Twenty-One Thousand and Eleven
21013
Twenty-One Thousand and Thirteen
21014
Twenty-One Thousand and Fourteen
21015
Twenty-One Thousand and Fifteen

Scientific Notation

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

2.1012e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004759185227489054

The reciprocal of 21012.

Palindrome?

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

The number 21012 is 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 twelve is a composite number with 24 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 twelve is a composite number with 24 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 twelve has the following 4 prime factors:

2
Two
3
Three
17
Seventeen
103
One Hundred and Three

Prime Factorization

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

22 · 31 · 171 · 1031 = 21012

Base Conversions

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