The Number

492

Four Hundred and Ninety-Two

In Base 21 Unovigesimal Is

12921

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

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

Nearby Numbers

Positive, nonzero integers within three units

489
12621
Four Hundred and Eighty-Nine in Base 21 Unovigesimal
490
12721
Four Hundred and Ninety in Base 21 Unovigesimal
491
12821
Four Hundred and Ninety-One in Base 21 Unovigesimal
493
12a21
Four Hundred and Ninety-Three in Base 21 Unovigesimal
494
12b21
Four Hundred and Ninety-Four in Base 21 Unovigesimal
495
12c21
Four 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.

4.92e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00ih60818c39cf21

The reciprocal of 492 in Base 21 Unovigesimal.

Palindrome?

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

The number 12921 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-two is a composite number with 12 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-two is a composite number with 12 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-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
41
1k21
Forty-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

2212 · 3211 · 1k211 = 12921

Base Conversions

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