The Number

121520

One Hundred and Twenty-One Thousand Five Hundred and Twenty

Nearby Numbers

Positive, nonzero integers within three units

121517
One Hundred and Twenty-One Thousand Five Hundred and Seventeen
121518
One Hundred and Twenty-One Thousand Five Hundred and Eightteen
121519
One Hundred and Twenty-One Thousand Five Hundred and Nineteen
121521
One Hundred and Twenty-One Thousand Five Hundred and Twenty-One
121522
One Hundred and Twenty-One Thousand Five Hundred and Twenty-Two
121523
One Hundred and Twenty-One Thousand Five Hundred and Twenty-Three

Scientific Notation

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

1.21520e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000008229098090849242

The reciprocal of 121520.

Palindrome?

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

The number 121520 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 twenty-one thousand five hundred and twenty is a composite number with 60 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 twenty-one thousand five hundred and twenty is a composite number with 60 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 twenty-one thousand five hundred and twenty has the following 4 prime factors:

2
Two
5
Five
7
Seven
31
Thirty-One

Prime Factorization

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

24 · 51 · 72 · 311 = 121520

Base Conversions

The number one hundred and twenty-one thousand five hundred and twenty in 35 different bases