The Number

18800

Eightteen Thousand Eight Hundred

In Base 21 Unovigesimal Is

20d521

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

For more familiar numbers: See Eightteen Thousand Eight Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18797
20d221
Eightteen Thousand Seven Hundred and Ninety-Seven in Base 21 Unovigesimal
18798
20d321
Eightteen Thousand Seven Hundred and Ninety-Eight in Base 21 Unovigesimal
18799
20d421
Eightteen Thousand Seven Hundred and Ninety-Nine in Base 21 Unovigesimal
18801
20d621
Eightteen Thousand Eight Hundred and One in Base 21 Unovigesimal
18802
20d721
Eightteen Thousand Eight Hundred and Two in Base 21 Unovigesimal
18803
20d821
Eightteen Thousand Eight Hundred and Three in Base 21 Unovigesimal

Scientific Notation

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

1.8800e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000a750c4dcf946f21

The reciprocal of 18800 in Base 21 Unovigesimal.

Palindrome?

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

The number 20d521 is not a palindrome.

Not A Prime Number

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

Eightteen thousand eight hundred is a composite number with 30 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand eight hundred is a composite number with 30 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 eightteen thousand eight hundred has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal

Prime Factorization

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

2214 · 5212 · 25211 = 20d521

Base Conversions

The number eightteen thousand eight hundred in 35 different bases