The Number

121900

One Hundred and Twenty-One Thousand Nine Hundred

Nearby Numbers

Positive, nonzero integers within three units

121897
One Hundred and Twenty-One Thousand Eight Hundred and Ninety-Seven
121898
One Hundred and Twenty-One Thousand Eight Hundred and Ninety-Eight
121899
One Hundred and Twenty-One Thousand Eight Hundred and Ninety-Nine
121901
One Hundred and Twenty-One Thousand Nine Hundred and One
121902
One Hundred and Twenty-One Thousand Nine Hundred and Two
121903
One Hundred and Twenty-One Thousand Nine Hundred and Three

Scientific Notation

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

1.21900e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000008203445447087777

The reciprocal of 121900.

Palindrome?

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

The number 121900 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 nine hundred is a composite number with 36 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 nine hundred is a composite number with 36 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 nine hundred has the following 4 prime factors:

2
Two
5
Five
23
Twenty-Three
53
Fifty-Three

Prime Factorization

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

22 · 52 · 231 · 531 = 121900

Base Conversions

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