The Number

490

Four Hundred and Ninety

In Base 2 Binary Is

1111010102

The numbers with a 2 subscript use Base 2 Binary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

487
1111001112
Four Hundred and Eighty-Seven in Base 2 Binary
488
1111010002
Four Hundred and Eighty-Eight in Base 2 Binary
489
1111010012
Four Hundred and Eighty-Nine in Base 2 Binary
491
1111010112
Four Hundred and Ninety-One in Base 2 Binary
492
1111011002
Four Hundred and Ninety-Two in Base 2 Binary
493
1111011012
Four Hundred and Ninety-Three in Base 2 Binary

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.

0.00000000100001011011111100110111011000010010110011101110012

The reciprocal of 490 in Base 2 Binary.

Palindrome?

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

The number 1111010102 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 2 Binary

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
102
Two in Base 2 Binary
5
1012
Five in Base 2 Binary
7
1112
Seven in Base 2 Binary

Prime Factorization

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

1021 · 10121 · 11122 = 1111010102

Base Conversions

The number four hundred and ninety in 35 different bases