The Number

842

Eight Hundred and Forty-Two

In Base 21 Unovigesimal Is

1j221

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

For more familiar numbers: See Eight Hundred and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

839
1ik21
Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
840
1j021
Eight Hundred and Forty in Base 21 Unovigesimal
841
1j121
Eight Hundred and Forty-One in Base 21 Unovigesimal
843
1j321
Eight Hundred and Forty-Three in Base 21 Unovigesimal
844
1j421
Eight Hundred and Forty-Four in Base 21 Unovigesimal
845
1j521
Eight 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.

8.42e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00akka00akka21

The reciprocal of 842 in Base 21 Unovigesimal.

Palindrome?

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

The number 1j221 is not a palindrome.

Not A Prime Number

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

Eight 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.

Eight 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 eight hundred and forty-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
421
k121
Four 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 · k1211 = 1j221

Base Conversions

The number eight hundred and forty-two in 35 different bases