The Number

20405

Twenty Thousand Four Hundred and Five

In Base 12 Duodecimal Is

b98512

The numbers with a 12 subscript use Base 12 Duodecimal 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
b98212
Twenty Thousand Four Hundred and Two in Base 12 Duodecimal
20403
b98312
Twenty Thousand Four Hundred and Three in Base 12 Duodecimal
20404
b98412
Twenty Thousand Four Hundred and Four in Base 12 Duodecimal
20406
b98612
Twenty Thousand Four Hundred and Six in Base 12 Duodecimal
20407
b98712
Twenty Thousand Four Hundred and Seven in Base 12 Duodecimal
20408
b98812
Twenty Thousand Four Hundred and Eight in Base 12 Duodecimal

Scientific Notation

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

2.0405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001024045222b3b25712

The reciprocal of 20405 in Base 12 Duodecimal.

Palindrome?

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

The number b98512 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 12 Duodecimal

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
512
Five in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
53
4512
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

5121 · 7121 · b121 · 45121 = b98512

Base Conversions

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