The Number

12405

Twelve Thousand Four Hundred and Five

In Base 20 Vigesimal Is

1b0520

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12402
1b0220
Twelve Thousand Four Hundred and Two in Base 20 Vigesimal
12403
1b0320
Twelve Thousand Four Hundred and Three in Base 20 Vigesimal
12404
1b0420
Twelve Thousand Four Hundred and Four in Base 20 Vigesimal
12406
1b0620
Twelve Thousand Four Hundred and Six in Base 20 Vigesimal
12407
1b0720
Twelve Thousand Four Hundred and Seven in Base 20 Vigesimal
12408
1b0820
Twelve Thousand Four Hundred and Eight in Base 20 Vigesimal

Scientific Notation

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

1.2405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000chj43jj720fg20

The reciprocal of 12405 in Base 20 Vigesimal.

Palindrome?

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

The number 1b0520 is not a palindrome.

Not A Prime Number

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

Twelve thousand four hundred and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand four 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 twelve thousand four hundred and five has the following 3 prime factors:

3
320
Three in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
827
21720
Eight Hundred and Twenty-Seven in Base 20 Vigesimal

Prime Factorization

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

3201 · 5201 · 217201 = 1b0520

Base Conversions

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