The Number

1921

One Thousand Nine Hundred and Twenty-One

In Base 19 Nonadecimal Is

56219

The numbers with a 19 subscript use Base 19 Nonadecimal 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
55i19
One Thousand Nine Hundred and Eightteen in Base 19 Nonadecimal
1919
56019
One Thousand Nine Hundred and Nineteen in Base 19 Nonadecimal
1920
56119
One Thousand Nine Hundred and Twenty in Base 19 Nonadecimal
1922
56319
One Thousand Nine Hundred and Twenty-Two in Base 19 Nonadecimal
1923
56419
One Thousand Nine Hundred and Twenty-Three in Base 19 Nonadecimal
1924
56519
One Thousand Nine Hundred and Twenty-Four in Base 19 Nonadecimal

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.

0.003afi5g13a8fbi19

The reciprocal of 1921 in Base 19 Nonadecimal.

Palindrome?

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

The number 56219 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 19 Nonadecimal

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
h19
Seventeen in Base 19 Nonadecimal
113
5i19
One Hundred and Thirteen in Base 19 Nonadecimal

Prime Factorization

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

h191 · 5i191 = 56219

Base Conversions

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