The Number

491992

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

In Base 21 Unovigesimal Is

2b2d421

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

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

Nearby Numbers

Positive, nonzero integers within three units

491989
2b2d121
Four Hundred and Ninety-One Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
491990
2b2d221
Four Hundred and Ninety-One Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
491991
2b2d321
Four Hundred and Ninety-One Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
491993
2b2d521
Four Hundred and Ninety-One Thousand Nine Hundred and Ninety-Three in Base 21 Unovigesimal
491994
2b2d621
Four Hundred and Ninety-One Thousand Nine Hundred and Ninety-Four in Base 21 Unovigesimal
491995
2b2d721
Four Hundred and Ninety-One Thousand Nine Hundred and Ninety-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.

4.91992e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000866gkc7i200k21

The reciprocal of 491992 in Base 21 Unovigesimal.

Palindrome?

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

The number 2b2d421 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 nine hundred and ninety-two 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 nine hundred and ninety-two 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 nine hundred and ninety-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
89
4521
Eighty-Nine in Base 21 Unovigesimal
691
1bj21
Six 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 · 45211 · 1bj211 = 2b2d421

Base Conversions

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