The Number

19880

Nineteen Thousand Eight Hundred and Eighty

In Base 21 Unovigesimal Is

231e21

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

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

Nearby Numbers

Positive, nonzero integers within three units

19877
231b21
Nineteen Thousand Eight Hundred and Seventy-Seven in Base 21 Unovigesimal
19878
231c21
Nineteen Thousand Eight Hundred and Seventy-Eight in Base 21 Unovigesimal
19879
231d21
Nineteen Thousand Eight Hundred and Seventy-Nine in Base 21 Unovigesimal
19881
231f21
Nineteen Thousand Eight Hundred and Eighty-One in Base 21 Unovigesimal
19882
231g21
Nineteen Thousand Eight Hundred and Eighty-Two in Base 21 Unovigesimal
19883
231h21
Nineteen Thousand Eight Hundred and Eighty-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.

1.9880e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009g9406e4cfbbd21

The reciprocal of 19880 in Base 21 Unovigesimal.

Palindrome?

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

The number 231e21 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 eighty is a composite number with 32 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 eighty is a composite number with 32 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 eighty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
71
3821
Seventy-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

2213 · 5211 · 7211 · 38211 = 231e21

Base Conversions

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