The Number

2001

Two Thousand and One

In Base 19 Nonadecimal Is

5a619

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

For more familiar numbers: See Two Thousand and One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1998
5a319
One Thousand Nine Hundred and Ninety-Eight in Base 19 Nonadecimal
1999
5a419
One Thousand Nine Hundred and Ninety-Nine in Base 19 Nonadecimal
2000
5a519
Two Thousand in Base 19 Nonadecimal
2002
5a719
Two Thousand and Two in Base 19 Nonadecimal
2003
5a819
Two Thousand and Three in Base 19 Nonadecimal
2004
5a919
Two Thousand and Four in Base 19 Nonadecimal

Scientific Notation

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

2.001e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00382839e5677h119

The reciprocal of 2001 in Base 19 Nonadecimal.

Palindrome?

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

The number 5a619 is not a palindrome.

Not A Prime Number

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

Two thousand and one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Two thousand and one 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 two thousand and one has the following 3 prime factors:

3
319
Three in Base 19 Nonadecimal
23
1419
Twenty-Three in Base 19 Nonadecimal
29
1a19
Twenty-Nine in Base 19 Nonadecimal

Prime Factorization

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

3191 · 14191 · 1a191 = 5a619

Base Conversions

The number two thousand and one in 35 different bases