The Number

16991

Sixteen Thousand Nine Hundred and Ninety-One

In Base 12 Duodecimal Is

99bb12

The numbers with a 12 subscript use Base 12 Duodecimal notation.

For more familiar numbers: See Sixteen Thousand Nine Hundred and Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

16988
99b812
Sixteen Thousand Nine Hundred and Eighty-Eight in Base 12 Duodecimal
16989
99b912
Sixteen Thousand Nine Hundred and Eighty-Nine in Base 12 Duodecimal
16990
99ba12
Sixteen Thousand Nine Hundred and Ninety in Base 12 Duodecimal
16992
9a0012
Sixteen Thousand Nine Hundred and Ninety-Two in Base 12 Duodecimal
16993
9a0112
Sixteen Thousand Nine Hundred and Ninety-Three in Base 12 Duodecimal
16994
9a0212
Sixteen Thousand Nine Hundred and Ninety-Four in Base 12 Duodecimal

Scientific Notation

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

1.6991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001278a53180886712

The reciprocal of 16991 in Base 12 Duodecimal.

Palindrome?

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

The number 99bb12 is not a palindrome.

Not A Prime Number

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

Sixteen thousand nine hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Sixteen thousand nine hundred and ninety-one 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 sixteen thousand nine hundred and ninety-one has the following 2 prime factors:

13
1112
Thirteen in Base 12 Duodecimal
1307
90b12
One Thousand Three Hundred and Seven in Base 12 Duodecimal

Prime Factorization

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

11121 · 90b121 = 99bb12

Base Conversions

The number sixteen thousand nine hundred and ninety-one in 35 different bases