The Number

21087

Twenty-One Thousand and Eighty-Seven

In Base 22 Duovigesimal Is

1lcb22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21084
1lc822
Twenty-One Thousand and Eighty-Four in Base 22 Duovigesimal
21085
1lc922
Twenty-One Thousand and Eighty-Five in Base 22 Duovigesimal
21086
1lca22
Twenty-One Thousand and Eighty-Six in Base 22 Duovigesimal
21088
1lcc22
Twenty-One Thousand and Eighty-Eight in Base 22 Duovigesimal
21089
1lcd22
Twenty-One Thousand and Eighty-Nine in Base 22 Duovigesimal
21090
1lce22
Twenty-One Thousand and Ninety in Base 22 Duovigesimal

Scientific Notation

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

2.1087e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b28gje5736a422

The reciprocal of 21087 in Base 22 Duovigesimal.

Palindrome?

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

The number 1lcb22 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 eighty-seven is a composite number with 16 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and eighty-seven 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 eighty-seven has the following 3 prime factors:

3
322
Three in Base 22 Duovigesimal
11
b22
Eleven in Base 22 Duovigesimal
71
3522
Seventy-One in Base 22 Duovigesimal

Prime Factorization

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

3223 · b221 · 35221 = 1lcb22

Base Conversions

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