The Number

19990

Nineteen Thousand Nine Hundred and Ninety

In Base 12 Duodecimal Is

b69a12

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

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

Nearby Numbers

Positive, nonzero integers within three units

19987
b69712
Nineteen Thousand Nine Hundred and Eighty-Seven in Base 12 Duodecimal
19988
b69812
Nineteen Thousand Nine Hundred and Eighty-Eight in Base 12 Duodecimal
19989
b69912
Nineteen Thousand Nine Hundred and Eighty-Nine in Base 12 Duodecimal
19991
b69b12
Nineteen Thousand Nine Hundred and Ninety-One in Base 12 Duodecimal
19992
b6a012
Nineteen Thousand Nine Hundred and Ninety-Two in Base 12 Duodecimal
19993
b6a112
Nineteen Thousand Nine Hundred and Ninety-Three in Base 12 Duodecimal

Scientific Notation

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

1.9990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00010545a0b0520965512

The reciprocal of 19990 in Base 12 Duodecimal.

Palindrome?

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

The number b69a12 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 nine hundred and ninety is a composite number with 8 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Nineteen thousand nine hundred and ninety is a composite number with 8 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 nine hundred and ninety has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
1999
11a712
One Thousand Nine Hundred and Ninety-Nine in Base 12 Duodecimal

Prime Factorization

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

2121 · 5121 · 11a7121 = b69a12

Base Conversions

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