The Number

155490

One Hundred and Fifty-Five Thousand Four Hundred and Ninety

Nearby Numbers

Positive, nonzero integers within three units

155487
One Hundred and Fifty-Five Thousand Four Hundred and Eighty-Seven
155488
One Hundred and Fifty-Five Thousand Four Hundred and Eighty-Eight
155489
One Hundred and Fifty-Five Thousand Four Hundred and Eighty-Nine
155491
One Hundred and Fifty-Five Thousand Four Hundred and Ninety-One
155492
One Hundred and Fifty-Five Thousand Four Hundred and Ninety-Two
155493
One Hundred and Fifty-Five Thousand Four Hundred and Ninety-Three

Scientific Notation

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

1.55490e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000006431281754453663

The reciprocal of 155490.

Palindrome?

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

The number 155490 is not a palindrome.

Not A Prime Number

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

One hundred and fifty-five thousand four hundred and ninety is a composite number with 32 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One hundred and fifty-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 one hundred and fifty-five thousand four hundred and ninety has the following 5 prime factors:

2
Two
3
Three
5
Five
71
Seventy-One
73
Seventy-Three

Prime Factorization

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

21 · 31 · 51 · 711 · 731 = 155490

Base Conversions

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