The Number

405490

Four Hundred and Five Thousand Four Hundred and Ninety

In Base 20 Vigesimal Is

2adea20

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

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

Nearby Numbers

Positive, nonzero integers within three units

405487
2ade720
Four Hundred and Five Thousand Four Hundred and Eighty-Seven in Base 20 Vigesimal
405488
2ade820
Four Hundred and Five Thousand Four Hundred and Eighty-Eight in Base 20 Vigesimal
405489
2ade920
Four Hundred and Five Thousand Four Hundred and Eighty-Nine in Base 20 Vigesimal
405491
2adeb20
Four Hundred and Five Thousand Four Hundred and Ninety-One in Base 20 Vigesimal
405492
2adec20
Four Hundred and Five Thousand Four Hundred and Ninety-Two in Base 20 Vigesimal
405493
2aded20
Four Hundred and Five Thousand Four Hundred and Ninety-Three in Base 20 Vigesimal

Scientific Notation

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

4.05490e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00007hgd9h29fed8720

The reciprocal of 405490 in Base 20 Vigesimal.

Palindrome?

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

The number 2adea20 is not a palindrome.

Not A Prime Number

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

Four hundred and five thousand four hundred and ninety is a composite number with 32 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Four hundred and five thousand four hundred and ninety is a composite number with 32 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 four hundred and five thousand four hundred and ninety has the following 5 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
23
1320
Twenty-Three in Base 20 Vigesimal
41
2120
Forty-One in Base 20 Vigesimal
43
2320
Forty-Three in Base 20 Vigesimal

Prime Factorization

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

2201 · 5201 · 13201 · 21201 · 23201 = 2adea20

Base Conversions

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