The Number

491001

Four Hundred and Ninety-One Thousand and One

In Base 21 Unovigesimal Is

2b08021

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Four Hundred and Ninety-One Thousand and One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

490998
2b07i21
Four Hundred and Ninety Thousand Nine Hundred and Ninety-Eight in Base 21 Unovigesimal
490999
2b07j21
Four Hundred and Ninety Thousand Nine Hundred and Ninety-Nine in Base 21 Unovigesimal
491000
2b07k21
Four Hundred and Ninety-One Thousand in Base 21 Unovigesimal
491002
2b08121
Four Hundred and Ninety-One Thousand and Two in Base 21 Unovigesimal
491003
2b08221
Four Hundred and Ninety-One Thousand and Three in Base 21 Unovigesimal
491004
2b08321
Four Hundred and Ninety-One Thousand and Four in Base 21 Unovigesimal

Scientific Notation

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

4.91001e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000086e4303ae2fe821

The reciprocal of 491001 in Base 21 Unovigesimal.

Palindrome?

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

The number 2b08021 is not a palindrome.

Not A Prime Number

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

Four hundred and ninety-one thousand and one is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and ninety-one thousand and one is a composite number with 16 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 four hundred and ninety-one thousand and one has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
103
4j21
One Hundred and Three in Base 21 Unovigesimal
227
ah21
Two Hundred and Twenty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3211 · 7211 · 4j211 · ah211 = 2b08021

Base Conversions

The number four hundred and ninety-one thousand and one in 35 different bases