The Number

20490

Twenty Thousand Four Hundred and Ninety

In Base 15 Quindecimal Is

611015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20487
610c15
Twenty Thousand Four Hundred and Eighty-Seven in Base 15 Quindecimal
20488
610d15
Twenty Thousand Four Hundred and Eighty-Eight in Base 15 Quindecimal
20489
610e15
Twenty Thousand Four Hundred and Eighty-Nine in Base 15 Quindecimal
20491
611115
Twenty Thousand Four Hundred and Ninety-One in Base 15 Quindecimal
20492
611215
Twenty Thousand Four Hundred and Ninety-Two in Base 15 Quindecimal
20493
611315
Twenty Thousand Four Hundred and Ninety-Three in Base 15 Quindecimal

Scientific Notation

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

2.0490e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000270da109ab8b9115

The reciprocal of 20490 in Base 15 Quindecimal.

Palindrome?

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

The number 611015 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 ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

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

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
683
30815
Six Hundred and Eighty-Three in Base 15 Quindecimal

Prime Factorization

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

2151 · 3151 · 5151 · 308151 = 611015

Base Conversions

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