The Number

19802

Nineteen Thousand Eight Hundred and Two

In Base 21 Unovigesimal Is

22ik21

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

For more familiar numbers: See Nineteen Thousand Eight Hundred and Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

19799
22ih21
Nineteen Thousand Seven Hundred and Ninety-Nine in Base 21 Unovigesimal
19800
22ii21
Nineteen Thousand Eight Hundred in Base 21 Unovigesimal
19801
22ij21
Nineteen Thousand Eight Hundred and One in Base 21 Unovigesimal
19803
22j021
Nineteen Thousand Eight Hundred and Three in Base 21 Unovigesimal
19804
22j121
Nineteen Thousand Eight Hundred and Four in Base 21 Unovigesimal
19805
22j221
Nineteen Thousand Eight Hundred and Five in Base 21 Unovigesimal

Scientific Notation

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

1.9802e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009h53ia518258821

The reciprocal of 19802 in Base 21 Unovigesimal.

Palindrome?

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

The number 22ik21 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 eight hundred and two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Nineteen thousand eight hundred and two 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 nineteen thousand eight hundred and two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
9901
119a21
Nine Thousand Nine Hundred and One in Base 21 Unovigesimal

Prime Factorization

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

2211 · 119a211 = 22ik21

Base Conversions

The number nineteen thousand eight hundred and two in 35 different bases