The Number

19981

Nineteen Thousand Nine Hundred and Eighty-One

In Base 22 Duovigesimal Is

1j6522

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

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

Nearby Numbers

Positive, nonzero integers within three units

19978
1j6222
Nineteen Thousand Nine Hundred and Seventy-Eight in Base 22 Duovigesimal
19979
1j6322
Nineteen Thousand Nine Hundred and Seventy-Nine in Base 22 Duovigesimal
19980
1j6422
Nineteen Thousand Nine Hundred and Eighty in Base 22 Duovigesimal
19982
1j6622
Nineteen Thousand Nine Hundred and Eighty-Two in Base 22 Duovigesimal
19983
1j6722
Nineteen Thousand Nine Hundred and Eighty-Three in Base 22 Duovigesimal
19984
1j6822
Nineteen Thousand Nine Hundred and Eighty-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.

1.9981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bfk8agfc70f122

The reciprocal of 19981 in Base 22 Duovigesimal.

Palindrome?

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

The number 1j6522 is not a palindrome.

Not A Prime Number

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

Nineteen thousand nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Nineteen thousand nine hundred and eighty-one 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 nineteen thousand nine hundred and eighty-one has the following 3 prime factors:

13
d22
Thirteen in Base 22 Duovigesimal
29
1722
Twenty-Nine in Base 22 Duovigesimal
53
2922
Fifty-Three in Base 22 Duovigesimal

Prime Factorization

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

d221 · 17221 · 29221 = 1j6522

Base Conversions

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