The Number

491242

Four Hundred and Ninety-One Thousand Two Hundred and Forty-Two

In Base 21 Unovigesimal Is

2b0ja21

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

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

Nearby Numbers

Positive, nonzero integers within three units

491239
2b0j721
Four Hundred and Ninety-One Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
491240
2b0j821
Four Hundred and Ninety-One Thousand Two Hundred and Forty in Base 21 Unovigesimal
491241
2b0j921
Four Hundred and Ninety-One Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
491243
2b0jb21
Four Hundred and Ninety-One Thousand Two Hundred and Forty-Three in Base 21 Unovigesimal
491244
2b0jc21
Four Hundred and Ninety-One Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
491245
2b0jd21
Four Hundred and Ninety-One Thousand Two Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

4.91242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000086c8782j1818d21

The reciprocal of 491242 in Base 21 Unovigesimal.

Palindrome?

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

The number 2b0ja21 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 two hundred and forty-two is a composite number with 4 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 two hundred and forty-two is a composite number with 4 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 two hundred and forty-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
245621
15ak521
Two Hundred and Forty-Five Thousand Six Hundred and Twenty-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

2211 · 15ak5211 = 2b0ja21

Base Conversions

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