The Number

87

Eighty-Seven

In Base 5 Quinary Is

3225

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

84
3145
Eighty-Four in Base 5 Quinary
85
3205
Eighty-Five in Base 5 Quinary
86
3215
Eighty-Six in Base 5 Quinary
88
3235
Eighty-Eight in Base 5 Quinary
89
3245
Eighty-Nine in Base 5 Quinary
90
3305
Ninety in Base 5 Quinary

Scientific Notation

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

8.7e1

Reciprocal

A number multiplied with its reciprocal is one.

0.001204244324020012042443245

The reciprocal of 87 in Base 5 Quinary.

Palindrome?

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

The number 3225 is not a palindrome.

Not A Prime Number

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

Eighty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

Eighty-seven 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 eighty-seven has the following 2 prime factors:

3
35
Three in Base 5 Quinary
29
1045
Twenty-Nine in Base 5 Quinary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

351 · 10451 = 3225

Base Conversions

The number eighty-seven in 35 different bases