The Number

7842

Seven Thousand Eight Hundred and Forty-Two

In Base 21 Unovigesimal Is

hg921

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

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

Nearby Numbers

Positive, nonzero integers within three units

7839
hg621
Seven Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
7840
hg721
Seven Thousand Eight Hundred and Forty in Base 21 Unovigesimal
7841
hg821
Seven Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
7843
hga21
Seven Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal
7844
hgb21
Seven Thousand Eight Hundred and Forty-Four in Base 21 Unovigesimal
7845
hgc21
Seven Thousand 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.

7.842e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0013ggg1j6fb98b21

The reciprocal of 7842 in Base 21 Unovigesimal.

Palindrome?

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

The number hg921 is not a palindrome.

Not A Prime Number

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

Seven thousand eight hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Seven thousand eight hundred and forty-two is a composite number with 8 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 seven thousand eight hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
1307
2k521
One Thousand Three Hundred and Seven 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 · 3211 · 2k5211 = hg921

Base Conversions

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