The Number

121191

One Hundred and Twenty-One Thousand One Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

121188
One Hundred and Twenty-One Thousand One Hundred and Eighty-Eight
121189
One Hundred and Twenty-One Thousand One Hundred and Eighty-Nine
121190
One Hundred and Twenty-One Thousand One Hundred and Ninety
121192
One Hundred and Twenty-One Thousand One Hundred and Ninety-Two
121193
One Hundred and Twenty-One Thousand One Hundred and Ninety-Three
121194
One Hundred and Twenty-One Thousand One Hundred and Ninety-Four

Scientific Notation

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

1.21191e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000008251437813038921

The reciprocal of 121191.

Palindrome?

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

The number 121191 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 one hundred and ninety-one is a composite number with 16 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 one hundred and ninety-one is a composite number with 16 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 one hundred and ninety-one has the following 4 prime factors:

3
Three
7
Seven
29
Twenty-Nine
199
One Hundred and Ninety-Nine

Prime Factorization

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

31 · 71 · 291 · 1991 = 121191

Base Conversions

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