The Number

491000

Four Hundred and Ninety-One Thousand

In Base 21 Unovigesimal Is

2b07k21

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

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

Nearby Numbers

Positive, nonzero integers within three units

490997
2b07h21
Four Hundred and Ninety Thousand Nine Hundred and Ninety-Seven in Base 21 Unovigesimal
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
491001
2b08021
Four Hundred and Ninety-One Thousand and One 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

Scientific Notation

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

4.91000e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000086e466799ebg21

The reciprocal of 491000 in Base 21 Unovigesimal.

Palindrome?

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

The number 2b07k21 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 is a composite number with 32 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 is a composite number with 32 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 has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
491
12821
Four Hundred and Ninety-One in Base 21 Unovigesimal

Prime Factorization

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

2213 · 5213 · 128211 = 2b07k21

Base Conversions

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