The Number

15990

Fifteen Thousand Nine Hundred and Ninety

In Base 21 Unovigesimal Is

1f5921

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

For more familiar numbers: See Fifteen Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

15987
1f5621
Fifteen Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
15988
1f5721
Fifteen Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
15989
1f5821
Fifteen Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
15991
1f5a21
Fifteen Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
15992
1f5b21
Fifteen Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
15993
1f5c21
Fifteen Thousand Nine Hundred and Ninety-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.

1.5990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000c38f91i9gg4e21

The reciprocal of 15990 in Base 21 Unovigesimal.

Palindrome?

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

The number 1f5921 is not a palindrome.

Not A Prime Number

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

Fifteen thousand nine hundred and ninety 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.

Fifteen thousand nine hundred and ninety 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 fifteen thousand nine hundred and ninety has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
41
1k21
Forty-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 · 3211 · 5211 · d211 · 1k211 = 1f5921

Base Conversions

The number fifteen thousand nine hundred and ninety in 35 different bases