The Number

121920

One Hundred and Twenty-One Thousand Nine Hundred and Twenty

In Base 21 Unovigesimal Is

d39f21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

121917
d39c21
One Hundred and Twenty-One Thousand Nine Hundred and Seventeen in Base 21 Unovigesimal
121918
d39d21
One Hundred and Twenty-One Thousand Nine Hundred and Eightteen in Base 21 Unovigesimal
121919
d39e21
One Hundred and Twenty-One Thousand Nine Hundred and Nineteen in Base 21 Unovigesimal
121921
d39g21
One Hundred and Twenty-One Thousand Nine Hundred and Twenty-One in Base 21 Unovigesimal
121922
d39h21
One Hundred and Twenty-One Thousand Nine Hundred and Twenty-Two in Base 21 Unovigesimal
121923
d39i21
One Hundred and Twenty-One Thousand Nine Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.21920e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ca9ei385a22721

The reciprocal of 121920 in Base 21 Unovigesimal.

Palindrome?

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

The number d39f21 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 twenty is a composite number with 56 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand nine hundred and twenty is a composite number with 56 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 twenty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
127
6121
One Hundred and Twenty-Seven in Base 21 Unovigesimal

Prime Factorization

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

2216 · 3211 · 5211 · 61211 = d39f21

Base Conversions

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