The Number

2001

Two Thousand and One

In Base 15 Quindecimal Is

8d615

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1998
8d315
One Thousand Nine Hundred and Ninety-Eight in Base 15 Quindecimal
1999
8d415
One Thousand Nine Hundred and Ninety-Nine in Base 15 Quindecimal
2000
8d515
Two Thousand in Base 15 Quindecimal
2002
8d715
Two Thousand and Two in Base 15 Quindecimal
2003
8d815
Two Thousand and Three in Base 15 Quindecimal
2004
8d915
Two Thousand and Four in Base 15 Quindecimal

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.

0.001a476ed9b60611715

The reciprocal of 2001 in Base 15 Quindecimal.

Palindrome?

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

The number 8d615 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 15 Quindecimal

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
315
Three in Base 15 Quindecimal
23
1815
Twenty-Three in Base 15 Quindecimal
29
1e15
Twenty-Nine in Base 15 Quindecimal

Prime Factorization

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

3151 · 18151 · 1e151 = 8d615

Base Conversions

The number two thousand and one in 35 different bases