The Number

121981

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

In Base 12 Duodecimal Is

5a71112

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-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

121978
5a70a12
One Hundred and Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 12 Duodecimal
121979
5a70b12
One Hundred and Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 12 Duodecimal
121980
5a71012
One Hundred and Twenty-One Thousand Nine Hundred and Eighty in Base 12 Duodecimal
121982
5a71212
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two in Base 12 Duodecimal
121983
5a71312
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 12 Duodecimal
121984
5a71412
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Four in Base 12 Duodecimal

Scientific Notation

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

1.21981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00002058ba520b3559112

The reciprocal of 121981 in Base 12 Duodecimal.

Palindrome?

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

The number 5a71112 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-one is a composite number with 4 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-one is a composite number with 4 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-one has the following 2 prime factors:

223
16712
Two Hundred and Twenty-Three in Base 12 Duodecimal
547
39712
Five Hundred and Forty-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

167121 · 397121 = 5a71112

Base Conversions

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