The Number

21506

Twenty-One Thousand Five Hundred and Six

In Base 12 Duodecimal Is

1054212

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

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

Nearby Numbers

Positive, nonzero integers within three units

21503
1053b12
Twenty-One Thousand Five Hundred and Three in Base 12 Duodecimal
21504
1054012
Twenty-One Thousand Five Hundred and Four in Base 12 Duodecimal
21505
1054112
Twenty-One Thousand Five Hundred and Five in Base 12 Duodecimal
21507
1054312
Twenty-One Thousand Five Hundred and Seven in Base 12 Duodecimal
21508
1054412
Twenty-One Thousand Five Hundred and Eight in Base 12 Duodecimal
21509
1054512
Twenty-One Thousand Five Hundred and Nine in Base 12 Duodecimal

Scientific Notation

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

2.1506e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b6a169b39b8205712

The reciprocal of 21506 in Base 12 Duodecimal.

Palindrome?

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

The number 1054212 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 six is a composite number with 4 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 six is a composite number with 4 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 six has the following 2 prime factors:

2
212
Two in Base 12 Duodecimal
10753
628112
Ten Thousand Seven Hundred and Fifty-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

2121 · 6281121 = 1054212

Base Conversions

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