The Number
19990
Nineteen Thousand Nine Hundred and Ninety
In Base 22 Duovigesimal Is
1j6e22
The numbers with a 22 subscript use Base 22 Duovigesimal notation.
For more familiar numbers: See Nineteen Thousand Nine Hundred and Ninety in Base 10 Decimal
Nearby Numbers
Positive, nonzero integers within three units
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.
0.000bfhi65fhg38b22
The reciprocal of 19990 in Base 22 Duovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 1j6e22 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 22 Duovigesimal
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 number nineteen thousand nine hundred and ninety has the following 3 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2221
·
5221
·
42j221
= 1j6e22
Base Conversions
The number nineteen thousand nine hundred and ninety in 35 different bases