The Number

21645

Twenty-One Thousand Six Hundred and Forty-Five

In Base 23 Trivigesimal Is

1hl223

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

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

Nearby Numbers

Positive, nonzero integers within three units

21642
1hkm23
Twenty-One Thousand Six Hundred and Forty-Two in Base 23 Trivigesimal
21643
1hl023
Twenty-One Thousand Six Hundred and Forty-Three in Base 23 Trivigesimal
21644
1hl123
Twenty-One Thousand Six Hundred and Forty-Four in Base 23 Trivigesimal
21646
1hl323
Twenty-One Thousand Six Hundred and Forty-Six in Base 23 Trivigesimal
21647
1hl423
Twenty-One Thousand Six Hundred and Forty-Seven in Base 23 Trivigesimal
21648
1hl523
Twenty-One Thousand Six Hundred and Forty-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.

2.1645e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000cl86233mb00123

The reciprocal of 21645 in Base 23 Trivigesimal.

Palindrome?

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

The number 1hl223 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 forty-five is a composite number with 24 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 forty-five 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 six hundred and forty-five has the following 4 prime factors:

3
323
Three in Base 23 Trivigesimal
5
523
Five in Base 23 Trivigesimal
13
d23
Thirteen in Base 23 Trivigesimal
37
1e23
Thirty-Seven in Base 23 Trivigesimal

Prime Factorization

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

3232 · 5231 · d231 · 1e231 = 1hl223

Base Conversions

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