The Number

21006

Twenty-One Thousand and Six

In Base 11 Undecimal Is

1486711

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

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

Nearby Numbers

Positive, nonzero integers within three units

21003
1486411
Twenty-One Thousand and Three in Base 11 Undecimal
21004
1486511
Twenty-One Thousand and Four in Base 11 Undecimal
21005
1486611
Twenty-One Thousand and Five in Base 11 Undecimal
21007
1486811
Twenty-One Thousand and Seven 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

Scientific Notation

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

2.1006e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000773771738a1007a11

The reciprocal of 21006 in Base 11 Undecimal.

Palindrome?

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

The number 1486711 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 six is a composite number with 16 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 six is a composite number with 16 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 six has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
3
311
Three in Base 11 Undecimal
389
32411
Three Hundred and Eighty-Nine in Base 11 Undecimal

Prime Factorization

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

2111 · 3113 · 324111 = 1486711

Base Conversions

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