The Number

20405

Twenty Thousand Four Hundred and Five

In Base 23 Trivigesimal Is

1fd423

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

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

Nearby Numbers

Positive, nonzero integers within three units

20402
1fd123
Twenty Thousand Four Hundred and Two in Base 23 Trivigesimal
20403
1fd223
Twenty Thousand Four Hundred and Three in Base 23 Trivigesimal
20404
1fd323
Twenty Thousand Four Hundred and Four in Base 23 Trivigesimal
20406
1fd523
Twenty Thousand Four Hundred and Six in Base 23 Trivigesimal
20407
1fd623
Twenty Thousand Four Hundred and Seven in Base 23 Trivigesimal
20408
1fd723
Twenty Thousand Four 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.

2.0405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000dg9k736dh00123

The reciprocal of 20405 in Base 23 Trivigesimal.

Palindrome?

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

The number 1fd423 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand four hundred and five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 23 Trivigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand four 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 thousand four hundred and five has the following 4 prime factors:

5
523
Five in Base 23 Trivigesimal
7
723
Seven in Base 23 Trivigesimal
11
b23
Eleven in Base 23 Trivigesimal
53
2723
Fifty-Three 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 · 7231 · b231 · 27231 = 1fd423

Base Conversions

The number twenty thousand four hundred and five in 35 different bases