The Number

2001

Two Thousand and One

In Base 18 Octodecimal Is

63318

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1998
63018
One Thousand Nine Hundred and Ninety-Eight in Base 18 Octodecimal
1999
63118
One Thousand Nine Hundred and Ninety-Nine in Base 18 Octodecimal
2000
63218
Two Thousand in Base 18 Octodecimal
2002
63418
Two Thousand and Two in Base 18 Octodecimal
2003
63518
Two Thousand and Three in Base 18 Octodecimal
2004
63618
Two Thousand and Four in Base 18 Octodecimal

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.

0.002g85b0c2ab6he818

The reciprocal of 2001 in Base 18 Octodecimal.

Palindrome?

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

The number 63318 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 18 Octodecimal

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
318
Three in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal
29
1b18
Twenty-Nine in Base 18 Octodecimal

Prime Factorization

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

3181 · 15181 · 1b181 = 63318

Base Conversions

The number two thousand and one in 35 different bases