The Number

1921

One Thousand Nine Hundred and Twenty-One

In Base 22 Duovigesimal Is

3l722

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1918
3l422
One Thousand Nine Hundred and Eightteen in Base 22 Duovigesimal
1919
3l522
One Thousand Nine Hundred and Nineteen in Base 22 Duovigesimal
1920
3l622
One Thousand Nine Hundred and Twenty in Base 22 Duovigesimal
1922
3l822
One Thousand Nine Hundred and Twenty-Two in Base 22 Duovigesimal
1923
3l922
One Thousand Nine Hundred and Twenty-Three in Base 22 Duovigesimal
1924
3la22
One Thousand Nine Hundred and Twenty-Four in Base 22 Duovigesimal

Scientific Notation

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

1.921e3

Reciprocal

A number multiplied with its reciprocal is one.

0.005bkh69iekc0122

The reciprocal of 1921 in Base 22 Duovigesimal.

Palindrome?

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

The number 3l722 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand nine hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and twenty-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 thousand nine hundred and twenty-one has the following 2 prime factors:

17
h22
Seventeen in Base 22 Duovigesimal
113
5322
One Hundred and Thirteen in Base 22 Duovigesimal

Prime Factorization

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

h221 · 53221 = 3l722

Base Conversions

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