The Number

21007

Twenty-One Thousand and Seven

In Base 11 Undecimal Is

1486811

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21004
1486511
Twenty-One Thousand and Four in Base 11 Undecimal
21005
1486611
Twenty-One Thousand and Five in Base 11 Undecimal
21006
1486711
Twenty-One Thousand and Six in Base 11 Undecimal
21008
1486911
Twenty-One Thousand and Eight in Base 11 Undecimal
21009
1486a11
Twenty-One Thousand and Nine in Base 11 Undecimal
21010
1487011
Twenty-One Thousand and Ten in Base 11 Undecimal

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.

0.000077371898661a644811

The reciprocal of 21007 in Base 11 Undecimal.

Palindrome?

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

The number 1486811 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 11 Undecimal

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
711
Seven in Base 11 Undecimal
3001
228911
Three Thousand and One in Base 11 Undecimal

Prime Factorization

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

7111 · 2289111 = 1486811

Base Conversions

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