The Number

21500

Twenty-One Thousand Five Hundred

In Base 12 Duodecimal Is

1053812

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

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

Nearby Numbers

Positive, nonzero integers within three units

21497
1053512
Twenty-One Thousand Four Hundred and Ninety-Seven in Base 12 Duodecimal
21498
1053612
Twenty-One Thousand Four Hundred and Ninety-Eight in Base 12 Duodecimal
21499
1053712
Twenty-One Thousand Four Hundred and Ninety-Nine in Base 12 Duodecimal
21501
1053912
Twenty-One Thousand Five Hundred and One in Base 12 Duodecimal
21502
1053a12
Twenty-One Thousand Five Hundred and Two in Base 12 Duodecimal
21503
1053b12
Twenty-One Thousand Five Hundred and Three in Base 12 Duodecimal

Scientific Notation

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

2.1500e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b6a7194a51bb10812

The reciprocal of 21500 in Base 12 Duodecimal.

Palindrome?

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

The number 1053812 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 is a composite number with 24 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 is a composite number with 24 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 has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
43
3712
Forty-Three in Base 12 Duodecimal

Prime Factorization

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

2122 · 5123 · 37121 = 1053812

Base Conversions

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