The Number

121989

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

In Base 12 Duodecimal Is

5a71912

The numbers with a 12 subscript use Base 12 Duodecimal 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
5a71612
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Six in Base 12 Duodecimal
121987
5a71712
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 12 Duodecimal
121988
5a71812
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 12 Duodecimal
121990
5a71a12
One Hundred and Twenty-One Thousand Nine Hundred and Ninety in Base 12 Duodecimal
121991
5a71b12
One Hundred and Twenty-One Thousand Nine Hundred and Ninety-One in Base 12 Duodecimal
121992
5a72012
One Hundred and Twenty-One Thousand Nine Hundred and Ninety-Two in Base 12 Duodecimal

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.

0.000020589118703aa5812

The reciprocal of 121989 in Base 12 Duodecimal.

Palindrome?

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

The number 5a71912 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 12 Duodecimal

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
312
Three in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
37
3112
Thirty-Seven in Base 12 Duodecimal
157
11112
One Hundred and Fifty-Seven in Base 12 Duodecimal

Prime Factorization

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

3121 · 7121 · 31121 · 111121 = 5a71912

Base Conversions

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