The Number

120991

One Hundred and Twenty Thousand Nine Hundred and Ninety-One

In Base 21 Unovigesimal Is

d17a21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See One Hundred and Twenty Thousand Nine Hundred and Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

120988
d17721
One Hundred and Twenty Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
120989
d17821
One Hundred and Twenty Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
120990
d17921
One Hundred and Twenty Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
120992
d17b21
One Hundred and Twenty Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
120993
d17c21
One Hundred and Twenty Thousand Nine Hundred and Ninety-Three in Base 21 Unovigesimal
120994
d17d21
One Hundred and Twenty Thousand Nine Hundred and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

1.20991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001cfi2i424d15821

The reciprocal of 120991 in Base 21 Unovigesimal.

Palindrome?

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

The number d17a21 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 thousand nine hundred and ninety-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty thousand nine hundred and ninety-one is a composite number with 8 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 thousand nine hundred and ninety-one has the following 3 prime factors:

13
d21
Thirteen in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
227
ah21
Two Hundred and Twenty-Seven in Base 21 Unovigesimal

Prime Factorization

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

d211 · 1k211 · ah211 = d17a21

Base Conversions

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