The Number

81398

Eighty-One Thousand Three Hundred and Ninety-Eight

In Base 22 Duovigesimal Is

7e3k22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81395
7e3h22
Eighty-One Thousand Three Hundred and Ninety-Five in Base 22 Duovigesimal
81396
7e3i22
Eighty-One Thousand Three Hundred and Ninety-Six in Base 22 Duovigesimal
81397
7e3j22
Eighty-One Thousand Three Hundred and Ninety-Seven in Base 22 Duovigesimal
81399
7e3l22
Eighty-One Thousand Three Hundred and Ninety-Nine in Base 22 Duovigesimal
81400
7e4022
Eighty-One Thousand Four Hundred in Base 22 Duovigesimal
81401
7e4122
Eighty-One Thousand Four Hundred and One in Base 22 Duovigesimal

Scientific Notation

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

8.1398e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002j6jl7cjkje3h22

The reciprocal of 81398 in Base 22 Duovigesimal.

Palindrome?

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

The number 7e3k22 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 three hundred and ninety-eight is a composite number with 4 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand three hundred and ninety-eight 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-one thousand three hundred and ninety-eight has the following 2 prime factors:

2
222
Two in Base 22 Duovigesimal
40699
3i1l22
Forty Thousand Six Hundred and Ninety-Nine in Base 22 Duovigesimal

Prime Factorization

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

2221 · 3i1l221 = 7e3k22

Base Conversions

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