The Number

21091

Twenty-One Thousand and Ninety-One

In Base 12 Duodecimal Is

1025712

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

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

Nearby Numbers

Positive, nonzero integers within three units

21088
1025412
Twenty-One Thousand and Eighty-Eight in Base 12 Duodecimal
21089
1025512
Twenty-One Thousand and Eighty-Nine in Base 12 Duodecimal
21090
1025612
Twenty-One Thousand and Ninety in Base 12 Duodecimal
21092
1025812
Twenty-One Thousand and Ninety-Two in Base 12 Duodecimal
21093
1025912
Twenty-One Thousand and Ninety-Three in Base 12 Duodecimal
21094
1025a12
Twenty-One Thousand and Ninety-Four in Base 12 Duodecimal

Scientific Notation

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

2.1091e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b96ab8539295a5212

The reciprocal of 21091 in Base 12 Duodecimal.

Palindrome?

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

The number 1025712 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 ninety-one is a composite number with 8 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 ninety-one is a composite number with 8 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 ninety-one has the following 3 prime factors:

7
712
Seven in Base 12 Duodecimal
23
1b12
Twenty-Three in Base 12 Duodecimal
131
ab12
One Hundred and Thirty-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 · 1b121 · ab121 = 1025712

Base Conversions

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