The Number

490

Four Hundred and Ninety

In Base 15 Quindecimal Is

22a15

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

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

Nearby Numbers

Positive, nonzero integers within three units

487
22715
Four Hundred and Eighty-Seven in Base 15 Quindecimal
488
22815
Four Hundred and Eighty-Eight in Base 15 Quindecimal
489
22915
Four Hundred and Eighty-Nine in Base 15 Quindecimal
491
22b15
Four Hundred and Ninety-One in Base 15 Quindecimal
492
22c15
Four Hundred and Ninety-Two in Base 15 Quindecimal
493
22d15
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.

4.90e2

Reciprocal

A number multiplied with its reciprocal is one.

0.006d4b2906d4b29215

The reciprocal of 490 in Base 15 Quindecimal.

Palindrome?

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

The number 22a15 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 ninety is a composite number with 12 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Four hundred and ninety is a composite number with 12 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 ninety has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
7
715
Seven 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 · 5151 · 7152 = 22a15

Base Conversions

The number four hundred and ninety in 35 different bases