The Number

2001

Two Thousand and One

In Base 22 Duovigesimal Is

42l22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1998
42i22
One Thousand Nine Hundred and Ninety-Eight in Base 22 Duovigesimal
1999
42j22
One Thousand Nine Hundred and Ninety-Nine in Base 22 Duovigesimal
2000
42k22
Two Thousand in Base 22 Duovigesimal
2002
43022
Two Thousand and Two in Base 22 Duovigesimal
2003
43122
Two Thousand and Three in Base 22 Duovigesimal
2004
43222
Two Thousand and Four in Base 22 Duovigesimal

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.

0.00571bdee97d3122

The reciprocal of 2001 in Base 22 Duovigesimal.

Palindrome?

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

The number 42l22 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 22 Duovigesimal

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
322
Three in Base 22 Duovigesimal
23
1122
Twenty-Three in Base 22 Duovigesimal
29
1722
Twenty-Nine in Base 22 Duovigesimal

Prime Factorization

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

3221 · 11221 · 17221 = 42l22

Base Conversions

The number two thousand and one in 35 different bases