The Number

121989

One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Nine

In Base 25 Pentavigesimal Is

7k4e25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

121986
7k4b25
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Six in Base 25 Pentavigesimal
121987
7k4c25
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 25 Pentavigesimal
121988
7k4d25
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 25 Pentavigesimal
121990
7k4f25
One Hundred and Twenty-One Thousand Nine Hundred and Ninety in Base 25 Pentavigesimal
121991
7k4g25
One Hundred and Twenty-One Thousand Nine Hundred and Ninety-One in Base 25 Pentavigesimal
121992
7k4h25
One Hundred and Twenty-One Thousand Nine Hundred and Ninety-Two in Base 25 Pentavigesimal

Scientific Notation

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

1.21989e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000351884llm8c225

The reciprocal of 121989 in Base 25 Pentavigesimal.

Palindrome?

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

The number 7k4e25 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 and eighty-nine is a composite number with 16 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand nine hundred and eighty-nine 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 nine hundred and eighty-nine has the following 4 prime factors:

3
325
Three in Base 25 Pentavigesimal
7
725
Seven in Base 25 Pentavigesimal
37
1c25
Thirty-Seven in Base 25 Pentavigesimal
157
6725
One Hundred and Fifty-Seven in Base 25 Pentavigesimal

Prime Factorization

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

3251 · 7251 · 1c251 · 67251 = 7k4e25

Base Conversions

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