The Number

21513

Twenty-One Thousand Five Hundred and Thirteen

In Base 12 Duodecimal Is

1054912

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

For more familiar numbers: See Twenty-One Thousand Five Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21510
1054612
Twenty-One Thousand Five Hundred and Ten in Base 12 Duodecimal
21511
1054712
Twenty-One Thousand Five Hundred and Eleven in Base 12 Duodecimal
21512
1054812
Twenty-One Thousand Five Hundred and Twelve in Base 12 Duodecimal
21514
1054a12
Twenty-One Thousand Five Hundred and Fourteen in Base 12 Duodecimal
21515
1054b12
Twenty-One Thousand Five Hundred and Fifteen in Base 12 Duodecimal
21516
1055012
Twenty-One Thousand Five Hundred and Sixteen in Base 12 Duodecimal

Scientific Notation

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

2.1513e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b6970917848573912

The reciprocal of 21513 in Base 12 Duodecimal.

Palindrome?

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

The number 1054912 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 five hundred and thirteen 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 five hundred and thirteen 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 five hundred and thirteen has the following 3 prime factors:

3
312
Three in Base 12 Duodecimal
71
5b12
Seventy-One in Base 12 Duodecimal
101
8512
One Hundred and 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

3121 · 5b121 · 85121 = 1054912

Base Conversions

The number twenty-one thousand five hundred and thirteen in 35 different bases