The Number

21011

Twenty-One Thousand and Eleven

In Base 12 Duodecimal Is

101ab12

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
21012
101b012
Twenty-One Thousand and Twelve in Base 12 Duodecimal
21013
101b112
Twenty-One Thousand and Thirteen in Base 12 Duodecimal
21014
101b212
Twenty-One Thousand and Fourteen in Base 12 Duodecimal

Scientific Notation

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

2.1011e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ba147237236254a12

The reciprocal of 21011 in Base 12 Duodecimal.

Palindrome?

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

The number 101ab12 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand and eleven is the 2362nd prime number.   See primes in Base 12 Duodecimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand and Eleven is not a composite number because it has exactly two factors: One and Twenty-One Thousand and Eleven

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 eleven has the following 1 prime factor:

21011
101ab12
Twenty-One Thousand and Eleven in Base 12 Duodecimal

Prime Factorization

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

101ab121 = 101ab12

Base Conversions

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