The Number

81988

Eighty-One Thousand Nine Hundred and Eighty-Eight

In Base 25 Pentavigesimal Is

564d25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

For more familiar numbers: See Eighty-One Thousand Nine Hundred and Eighty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81985
564a25
Eighty-One Thousand Nine Hundred and Eighty-Five in Base 25 Pentavigesimal
81986
564b25
Eighty-One Thousand Nine Hundred and Eighty-Six in Base 25 Pentavigesimal
81987
564c25
Eighty-One Thousand Nine Hundred and Eighty-Seven in Base 25 Pentavigesimal
81989
564e25
Eighty-One Thousand Nine Hundred and Eighty-Nine in Base 25 Pentavigesimal
81990
564f25
Eighty-One Thousand Nine Hundred and Ninety in Base 25 Pentavigesimal
81991
564g25
Eighty-One Thousand Nine Hundred and Ninety-One in Base 25 Pentavigesimal

Scientific Notation

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

8.1988e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004j2j076fc5i225

The reciprocal of 81988 in Base 25 Pentavigesimal.

Palindrome?

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

The number 564d25 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand nine hundred and eighty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand nine hundred and eighty-eight 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-one thousand nine hundred and eighty-eight has the following 3 prime factors:

2
225
Two in Base 25 Pentavigesimal
103
4325
One Hundred and Three in Base 25 Pentavigesimal
199
7o25
One Hundred and Ninety-Nine in Base 25 Pentavigesimal

Prime Factorization

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

2252 · 43251 · 7o251 = 564d25

Base Conversions

The number eighty-one thousand nine hundred and eighty-eight in 35 different bases