The Number

18380

Eightteen Thousand Three Hundred and Eighty

In Base 21 Unovigesimal Is

1ke521

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

For more familiar numbers: See Eightteen Thousand Three Hundred and Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18377
1ke221
Eightteen Thousand Three Hundred and Seventy-Seven in Base 21 Unovigesimal
18378
1ke321
Eightteen Thousand Three Hundred and Seventy-Eight in Base 21 Unovigesimal
18379
1ke421
Eightteen Thousand Three Hundred and Seventy-Nine in Base 21 Unovigesimal
18381
1ke621
Eightteen Thousand Three Hundred and Eighty-One in Base 21 Unovigesimal
18382
1ke721
Eightteen Thousand Three Hundred and Eighty-Two in Base 21 Unovigesimal
18383
1ke821
Eightteen Thousand Three 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.

1.8380e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ac45fjk90c09821

The reciprocal of 18380 in Base 21 Unovigesimal.

Palindrome?

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

The number 1ke521 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 three hundred and eighty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand three hundred and eighty is a composite number with 12 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 three hundred and eighty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
919
21g21
Nine Hundred and Nineteen in Base 21 Unovigesimal

Prime Factorization

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

2212 · 5211 · 21g211 = 1ke521

Base Conversions

The number eightteen thousand three hundred and eighty in 35 different bases