The Number

1900

One Thousand Nine Hundred

Nearby Numbers

Positive, nonzero integers within three units

1897
One Thousand Eight Hundred and Ninety-Seven
1898
One Thousand Eight Hundred and Ninety-Eight
1899
One Thousand Eight Hundred and Ninety-Nine
1901
One Thousand Nine Hundred and One
1902
One Thousand Nine Hundred and Two
1903
One Thousand Nine Hundred and Three

Scientific Notation

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

1.900e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0005263157894736842

The reciprocal of 1900.

Palindrome?

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

The number 1900 is not a palindrome.

Not A Prime Number

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

One thousand nine hundred is a composite number with 18 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred is a composite number with 18 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 one thousand nine hundred has the following 3 prime factors:

2
Two
5
Five
19
Nineteen

Prime Factorization

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

22 · 52 · 191 = 1900

Base Conversions

The number one thousand nine hundred in 35 different bases