The Number

84042

Eighty-Four Thousand and Forty-Two

In Base 21 Unovigesimal Is

91c021

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

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

Nearby Numbers

Positive, nonzero integers within three units

84039
91bi21
Eighty-Four Thousand and Thirty-Nine in Base 21 Unovigesimal
84040
91bj21
Eighty-Four Thousand and Forty in Base 21 Unovigesimal
84041
91bk21
Eighty-Four Thousand and Forty-One in Base 21 Unovigesimal
84043
91c121
Eighty-Four Thousand and Forty-Three in Base 21 Unovigesimal
84044
91c221
Eighty-Four Thousand and Forty-Four in Base 21 Unovigesimal
84045
91c321
Eighty-Four Thousand 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.

8.4042e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00026cah275884521

The reciprocal of 84042 in Base 21 Unovigesimal.

Palindrome?

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

The number 91c021 is not a palindrome.

Not A Prime Number

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

Eighty-four thousand and forty-two is a composite number with 48 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eighty-four thousand and forty-two is a composite number with 48 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 eighty-four thousand and forty-two has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
29
1821
Twenty-Nine 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 · 3212 · 7211 · 12211 · 18211 = 91c021

Base Conversions

The number eighty-four thousand and forty-two in 35 different bases