The Number

121981

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

In Base 20 Vigesimal Is

f4j120

The numbers with a 20 subscript use Base 20 Vigesimal 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
f4ii20
One Hundred and Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 20 Vigesimal
121979
f4ij20
One Hundred and Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 20 Vigesimal
121980
f4j020
One Hundred and Twenty-One Thousand Nine Hundred and Eighty in Base 20 Vigesimal
121982
f4j220
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two in Base 20 Vigesimal
121983
f4j320
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 20 Vigesimal
121984
f4j420
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Four in Base 20 Vigesimal

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.

0.000164d8f0083j3j20

The reciprocal of 121981 in Base 20 Vigesimal.

Palindrome?

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

The number f4j120 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 20 Vigesimal

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
b320
Two Hundred and Twenty-Three in Base 20 Vigesimal
547
17720
Five Hundred and Forty-Seven in Base 20 Vigesimal

Prime Factorization

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

b3201 · 177201 = f4j120

Base Conversions

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