The Number

21505

Twenty-One Thousand Five Hundred and Five

In Base 24 Tetravigesimal Is

1d8124

The numbers with a 24 subscript use Base 24 Tetravigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21502
1d7m24
Twenty-One Thousand Five Hundred and Two in Base 24 Tetravigesimal
21503
1d7n24
Twenty-One Thousand Five Hundred and Three in Base 24 Tetravigesimal
21504
1d8024
Twenty-One Thousand Five Hundred and Four in Base 24 Tetravigesimal
21506
1d8224
Twenty-One Thousand Five Hundred and Six in Base 24 Tetravigesimal
21507
1d8324
Twenty-One Thousand Five Hundred and Seven in Base 24 Tetravigesimal
21508
1d8424
Twenty-One Thousand Five Hundred and Eight in Base 24 Tetravigesimal

Scientific Notation

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

2.1505e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000fa6afga71aca24

The reciprocal of 21505 in Base 24 Tetravigesimal.

Palindrome?

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

The number 1d8124 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 five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 24 Tetravigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand five hundred and five is a composite number with 16 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 five has the following 4 prime factors:

5
524
Five in Base 24 Tetravigesimal
11
b24
Eleven in Base 24 Tetravigesimal
17
h24
Seventeen in Base 24 Tetravigesimal
23
n24
Twenty-Three in Base 24 Tetravigesimal

Prime Factorization

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

5241 · b241 · h241 · n241 = 1d8124

Base Conversions

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