The Number

84

Eighty-Four

In Base 21 Unovigesimal Is

4021

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

For more familiar numbers: See Eighty-Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81
3i21
Eighty-One in Base 21 Unovigesimal
82
3j21
Eighty-Two in Base 21 Unovigesimal
83
3k21
Eighty-Three in Base 21 Unovigesimal
85
4121
Eighty-Five in Base 21 Unovigesimal
86
4221
Eighty-Six in Base 21 Unovigesimal
87
4321
Eighty-Seven in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

8.4e1

Reciprocal

A number multiplied with its reciprocal is one.

0.0555555555555521

The reciprocal of 84 in Base 21 Unovigesimal.

Palindrome?

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

The number 4021 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 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.

Eighty-four 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 eighty-four has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
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

2212 · 3211 · 7211 = 4021

Base Conversions

The number eighty-four in 35 different bases