The Number

81001

Eighty-One Thousand and One

In Base 31 Untrigesimal Is

2m8t31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

80998
2m8q31
Eighty Thousand Nine Hundred and Ninety-Eight in Base 31 Untrigesimal
80999
2m8r31
Eighty Thousand Nine Hundred and Ninety-Nine in Base 31 Untrigesimal
81000
2m8s31
Eighty-One Thousand in Base 31 Untrigesimal
81002
2m8u31
Eighty-One Thousand and Two in Base 31 Untrigesimal
81003
2m9031
Eighty-One Thousand and Three in Base 31 Untrigesimal
81004
2m9131
Eighty-One Thousand and Four in Base 31 Untrigesimal

Scientific Notation

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

8.1001e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bcdllujnag231

The reciprocal of 81001 in Base 31 Untrigesimal.

Palindrome?

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

The number 2m8t31 is not a palindrome.

A Prime Number

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

Eighty-one thousand and one is the 7926th prime number.   See primes in Base 31 Untrigesimal

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand and One is not a composite number because it has exactly two factors: One and Eighty-One Thousand and One

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 and one has the following 1 prime factor:

81001
2m8t31
Eighty-One Thousand and One in Base 31 Untrigesimal

Prime Factorization

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

2m8t311 = 2m8t31

Base Conversions

The number eighty-one thousand and one in 35 different bases