The Number

121985

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

In Base 20 Vigesimal Is

f4j520

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-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

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
121986
f4j620
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Six in Base 20 Vigesimal
121987
f4j720
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 20 Vigesimal
121988
f4j820
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 20 Vigesimal

Scientific Notation

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

1.21985e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000164d1h761jj8h20

The reciprocal of 121985 in Base 20 Vigesimal.

Palindrome?

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

The number f4j520 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-five is a composite number with 8 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-five 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-one thousand nine hundred and eighty-five has the following 3 prime factors:

5
520
Five in Base 20 Vigesimal
31
1b20
Thirty-One in Base 20 Vigesimal
787
1j720
Seven Hundred and Eighty-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

5201 · 1b201 · 1j7201 = f4j520

Base Conversions

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