The Number

21007

Twenty-One Thousand and Seven

In Base 12 Duodecimal Is

101a712

The numbers with a 12 subscript use Base 12 Duodecimal notation.

For more familiar numbers: See Twenty-One Thousand and Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21004
101a412
Twenty-One Thousand and Four in Base 12 Duodecimal
21005
101a512
Twenty-One Thousand and Five in Base 12 Duodecimal
21006
101a612
Twenty-One Thousand and Six in Base 12 Duodecimal
21008
101a812
Twenty-One Thousand and Eight in Base 12 Duodecimal
21009
101a912
Twenty-One Thousand and Nine in Base 12 Duodecimal
21010
101aa12
Twenty-One Thousand and Ten in Base 12 Duodecimal

Scientific Notation

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

2.1007e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ba185b516b146b712

The reciprocal of 21007 in Base 12 Duodecimal.

Palindrome?

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

The number 101a712 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 seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and seven is a composite number with 4 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 seven has the following 2 prime factors:

7
712
Seven in Base 12 Duodecimal
3001
18a112
Three Thousand and One in Base 12 Duodecimal

Prime Factorization

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

7121 · 18a1121 = 101a712

Base Conversions

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