The Number
18990
Eightteen Thousand Nine Hundred and Ninety
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.
1.8990e4
Reciprocal
A number multiplied with its reciprocal is one.
0.000052659294365455505
The reciprocal of 18990.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 18990 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 nine hundred and ninety is a composite number with 24 total factors (including 1 and itself). See primes in Base 10 Decimal
A Composite
Composites have more than just these two factors.
Eightteen thousand nine hundred and ninety is a composite number with 24 total factors (including 1 and itself).
Prime Factors
The number eightteen thousand nine hundred and ninety has the following 4 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
21
·
32
·
51
·
2111
= 18990
Base Conversions
The number eightteen thousand nine hundred and ninety in 35 different bases