The Number

20798

Twenty Thousand Seven Hundred and Ninety-Eight

In Base 21 Unovigesimal Is

253821

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

For more familiar numbers: See Twenty Thousand Seven Hundred and Ninety-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20795
253521
Twenty Thousand Seven Hundred and Ninety-Five in Base 21 Unovigesimal
20796
253621
Twenty Thousand Seven Hundred and Ninety-Six in Base 21 Unovigesimal
20797
253721
Twenty Thousand Seven Hundred and Ninety-Seven in Base 21 Unovigesimal
20799
253921
Twenty Thousand Seven Hundred and Ninety-Nine in Base 21 Unovigesimal
20800
253a21
Twenty Thousand Eight Hundred in Base 21 Unovigesimal
20801
253b21
Twenty Thousand Eight Hundred and One in Base 21 Unovigesimal

Scientific Notation

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

2.0798e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000977g2bhc134k21

The reciprocal of 20798 in Base 21 Unovigesimal.

Palindrome?

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

The number 253821 is not a palindrome.

Not A Prime Number

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

Twenty thousand seven hundred and ninety-eight 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.

Twenty thousand seven hundred and ninety-eight 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 twenty thousand seven hundred and ninety-eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
10399
12c421
Ten Thousand Three Hundred and Ninety-Nine 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 · 12c4211 = 253821

Base Conversions

The number twenty thousand seven hundred and ninety-eight in 35 different bases