The Number

21605

Twenty-One Thousand Six Hundred and Five

In Base 23 Trivigesimal Is

1hj823

The numbers with a 23 subscript use Base 23 Trivigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21602
1hj523
Twenty-One Thousand Six Hundred and Two in Base 23 Trivigesimal
21603
1hj623
Twenty-One Thousand Six Hundred and Three in Base 23 Trivigesimal
21604
1hj723
Twenty-One Thousand Six Hundred and Four in Base 23 Trivigesimal
21606
1hj923
Twenty-One Thousand Six Hundred and Six in Base 23 Trivigesimal
21607
1hja23
Twenty-One Thousand Six Hundred and Seven in Base 23 Trivigesimal
21608
1hjb23
Twenty-One Thousand Six Hundred and Eight in Base 23 Trivigesimal

Scientific Notation

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

2.1605e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000clkl7c6ad59523

The reciprocal of 21605 in Base 23 Trivigesimal.

Palindrome?

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

The number 1hj823 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 six hundred and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 23 Trivigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand six hundred and five 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 six hundred and five has the following 3 prime factors:

5
523
Five in Base 23 Trivigesimal
29
1623
Twenty-Nine in Base 23 Trivigesimal
149
6b23
One Hundred and Forty-Nine in Base 23 Trivigesimal

Prime Factorization

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

5231 · 16231 · 6b231 = 1hj823

Base Conversions

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