The Number

149991

One Hundred and Forty-Nine Thousand Nine Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

149988
One Hundred and Forty-Nine Thousand Nine Hundred and Eighty-Eight
149989
One Hundred and Forty-Nine Thousand Nine Hundred and Eighty-Nine
149990
One Hundred and Forty-Nine Thousand Nine Hundred and Ninety
149992
One Hundred and Forty-Nine Thousand Nine Hundred and Ninety-Two
149993
One Hundred and Forty-Nine Thousand Nine Hundred and Ninety-Three
149994
One Hundred and Forty-Nine Thousand Nine Hundred and Ninety-Four

Scientific Notation

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

1.49991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000006667066690668107

The reciprocal of 149991.

Palindrome?

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

The number 149991 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 forty-nine thousand nine hundred and ninety-one is a composite number with 12 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 forty-nine thousand nine hundred and ninety-one 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 one hundred and forty-nine thousand nine hundred and ninety-one has the following 3 prime factors:

3
Three
17
Seventeen
173
One Hundred and Seventy-Three

Prime Factorization

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

31 · 172 · 1731 = 149991

Base Conversions

The number one hundred and forty-nine thousand nine hundred and ninety-one in 35 different bases